{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import pickle\n",
    "import gzip\n",
    "import numpy\n",
    "import collections"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# data = pickle.load(open('1m.pkl/1m.pkl', 'rb'), encoding='latin1')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "data = pickle.load(gzip.open('1m.pkl.gz', 'rb'), encoding='latin1')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'artist_name': 'Baka Beyond',\n",
       " 'duration': 368.14322,\n",
       " 'key': 9,\n",
       " 'loudness': -11.482,\n",
       " 'tempo': 139.092,\n",
       " 'track_name': 'Journey (Album Version)',\n",
       " 'year': 1995}"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "data[0]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "1000000"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "72665"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(set(t['artist_name'] for t in data))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[('Michael Jackson', 194),\n",
       " ('Johnny Cash', 193),\n",
       " ('Beastie Boys', 187),\n",
       " ('Joan Baez', 181),\n",
       " ('Neil Diamond', 176)]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "artist_counts = collections.Counter(t['artist_name'] for t in data)\n",
    "artist_counts.most_common(5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "58"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "artist_counts['The Beatles']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "95"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "artist_counts['Queen']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "171"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "artist_counts['The Rolling Stones']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[{'artist_name': 'The Beatles',\n",
       "  'duration': 267.10159,\n",
       "  'key': 2,\n",
       "  'loudness': -57.871,\n",
       "  'tempo': 181.989,\n",
       "  'track_name': 'Larry Kane Interviews Derek Taylor',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 263.88853,\n",
       "  'key': 1,\n",
       "  'loudness': -24.558,\n",
       "  'tempo': 75.276,\n",
       "  'track_name': 'Post Beatles Interview With George Harrison (c. 1976)',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 179.51302,\n",
       "  'key': 5,\n",
       "  'loudness': -22.808,\n",
       "  'tempo': 111.16,\n",
       "  'track_name': 'John and George To Allan Lappin in Melbourne',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 33.17506,\n",
       "  'key': 11,\n",
       "  'loudness': -21.798,\n",
       "  'tempo': 215.977,\n",
       "  'track_name': 'John Lennon on Yoko',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 117.62893,\n",
       "  'key': 2,\n",
       "  'loudness': -21.31,\n",
       "  'tempo': 126.445,\n",
       "  'track_name': 'Melody Maker Award Presentation En Route To The East Coast On 27th August 1964',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 95.97342,\n",
       "  'key': 10,\n",
       "  'loudness': -20.954,\n",
       "  'tempo': 85.521,\n",
       "  'track_name': 'Italian TV Interview June 1965',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 160.15628,\n",
       "  'key': 6,\n",
       "  'loudness': -51.503,\n",
       "  'tempo': 43.09,\n",
       "  'track_name': 'Derek Taylor With The Beatles Hairdresser',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 596.6624,\n",
       "  'key': 9,\n",
       "  'loudness': -51.621,\n",
       "  'tempo': 169.864,\n",
       "  'track_name': 'Derek Taylor With George Harrison',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 196.12689,\n",
       "  'key': 5,\n",
       "  'loudness': -18.536,\n",
       "  'tempo': 107.754,\n",
       "  'track_name': 'John_ Paul_ George and Jimmy Nicol To DJ Bob Rogers on Route To Adelaide',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 331.02322,\n",
       "  'key': 8,\n",
       "  'loudness': -19.745,\n",
       "  'tempo': 74.333,\n",
       "  'track_name': 'The Beatles To Bob Rogers At St. George Hotel_ Wellington_ New Zealand',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 25.18159,\n",
       "  'key': 1,\n",
       "  'loudness': -23.683,\n",
       "  'tempo': 85.482,\n",
       "  'track_name': 'George Telephone Conversation To DJ Barry Ferber',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 259.70893,\n",
       "  'key': 11,\n",
       "  'loudness': -18.095,\n",
       "  'tempo': 221.12,\n",
       "  'track_name': 'Press Conference in Minneapolis August 1965',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 52.03546,\n",
       "  'key': 1,\n",
       "  'loudness': -23.042,\n",
       "  'tempo': 53.874,\n",
       "  'track_name': 'Ringo To DJ Mike Walsh',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 209.71057,\n",
       "  'key': 3,\n",
       "  'loudness': -17.987,\n",
       "  'tempo': 74.803,\n",
       "  'track_name': \"Ringo's Arrival in Sydney To Garvin Rutherford\",\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 153.93914,\n",
       "  'key': 11,\n",
       "  'loudness': -27.675,\n",
       "  'tempo': 75.756,\n",
       "  'track_name': 'Ringo Starr Gives His Reactions To New York And The Fans On 29th August 1964',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 435.48689,\n",
       "  'key': 6,\n",
       "  'loudness': -50.714,\n",
       "  'tempo': 56.613,\n",
       "  'track_name': 'Derek Taylor - With Ringo Starr',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 66.0371,\n",
       "  'key': 7,\n",
       "  'loudness': -15.485,\n",
       "  'tempo': 81.801,\n",
       "  'track_name': 'The Beatles in Melbourne',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 373.10649,\n",
       "  'key': 2,\n",
       "  'loudness': -31.538,\n",
       "  'tempo': 114.095,\n",
       "  'track_name': 'Manager Brian Epstein Gives A Rare Interview On 28th August 1964',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 240.95302,\n",
       "  'key': 8,\n",
       "  'loudness': -19.91,\n",
       "  'tempo': 215.253,\n",
       "  'track_name': 'John_ Paul_ George and Jimmy Nicol Arrival in Sydney',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 303.80363,\n",
       "  'key': 1,\n",
       "  'loudness': -18.414,\n",
       "  'tempo': 196.224,\n",
       "  'track_name': 'Paul Mccartney Discusses The Fans Reaction On Arrival At New York_ The Big Apple And The Forest Hill',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 303.41179,\n",
       "  'key': 1,\n",
       "  'loudness': -17.13,\n",
       "  'tempo': 123.351,\n",
       "  'track_name': 'Ringo Starr Gives His Views On Country And Western Music_ Sports_ Monopoly_ The Beatles And Fan Club',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 403.1473,\n",
       "  'key': 0,\n",
       "  'loudness': -17.741,\n",
       "  'tempo': 123.082,\n",
       "  'track_name': 'Press Officer Derek Taylor Discusses The Atlantic City Concert And The Police Protection On 1st Sept',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 501.91628,\n",
       "  'key': 5,\n",
       "  'loudness': -23.96,\n",
       "  'tempo': 197.495,\n",
       "  'track_name': 'Seattle Interview August 1966',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 125.54404,\n",
       "  'key': 9,\n",
       "  'loudness': -27.262,\n",
       "  'tempo': 117.996,\n",
       "  'track_name': 'Tokyo Interview July 1966',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 84.58404,\n",
       "  'key': 8,\n",
       "  'loudness': -21.393,\n",
       "  'tempo': 67.384,\n",
       "  'track_name': 'John Lennon on Religion',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 168.64608,\n",
       "  'key': 2,\n",
       "  'loudness': -15.198,\n",
       "  'tempo': 55.097,\n",
       "  'track_name': 'John Lennon Talks About New York And The Concert At Forest Hills On 29th August 1964',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 57.67791,\n",
       "  'key': 4,\n",
       "  'loudness': -21.752,\n",
       "  'tempo': 177.38,\n",
       "  'track_name': \"Paul McCartney's Birthday on 2SM Radio_ Sydney\",\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 24.08444,\n",
       "  'key': 11,\n",
       "  'loudness': -19.717,\n",
       "  'tempo': 100.013,\n",
       "  'track_name': 'John Lennon on Exams',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 230.50404,\n",
       "  'key': 2,\n",
       "  'loudness': -25.958,\n",
       "  'tempo': 111.458,\n",
       "  'track_name': 'George_ John_ Ringo and Fans in Auckland To Bob Rogers',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 130.45506,\n",
       "  'key': 1,\n",
       "  'loudness': -16.694,\n",
       "  'tempo': 109.879,\n",
       "  'track_name': 'Road Manager Neil Aspinall Talks About The Escape From Fans Following The Concert In Atlantic City O',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 183.69261,\n",
       "  'key': 1,\n",
       "  'loudness': -20.684,\n",
       "  'tempo': 101.193,\n",
       "  'track_name': 'Sydney Farewell With Bob Rogers_ George and John',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 197.22404,\n",
       "  'key': 1,\n",
       "  'loudness': -20.205,\n",
       "  'tempo': 110.443,\n",
       "  'track_name': 'John Lennon on the Rolling Stones',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 699.55873,\n",
       "  'key': 5,\n",
       "  'loudness': -24.965,\n",
       "  'tempo': 224.343,\n",
       "  'track_name': \"John_ Paul_ Ringo_ and George After the Lord Mayor's Reception in Auckland To Bob Rogers\",\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 205.00853,\n",
       "  'key': 1,\n",
       "  'loudness': -21.308,\n",
       "  'tempo': 112.673,\n",
       "  'track_name': 'Inside Adelaide Hotel Room To Bob Rogers',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 196.44036,\n",
       "  'key': 1,\n",
       "  'loudness': -21.216,\n",
       "  'tempo': 83.73,\n",
       "  'track_name': 'George_ John_ Ringo and Paul to Bob Rogers on Arrival in New Zealand',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 73.66485,\n",
       "  'key': 8,\n",
       "  'loudness': -23.871,\n",
       "  'tempo': 91.695,\n",
       "  'track_name': 'Paul and John on Landing in Australia from Hong Kong To DJ John Edwards',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 131.63057,\n",
       "  'key': 1,\n",
       "  'loudness': -8.485,\n",
       "  'tempo': 159.317,\n",
       "  'track_name': \"Ain't She Sweet\",\n",
       "  'year': 1964},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 53.78567,\n",
       "  'key': 6,\n",
       "  'loudness': -47.664,\n",
       "  'tempo': 112.361,\n",
       "  'track_name': 'Derek Taylor - Introduction',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 148.84526,\n",
       "  'key': 0,\n",
       "  'loudness': -18.393,\n",
       "  'tempo': 88.617,\n",
       "  'track_name': 'Madrid To Australian By Graham Webb July 1965',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 163.52608,\n",
       "  'key': 0,\n",
       "  'loudness': -21.606,\n",
       "  'tempo': 100.62,\n",
       "  'track_name': 'Messages from the Beatles After First Trip To USA in Miami_ February 1964',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 133.04118,\n",
       "  'key': 4,\n",
       "  'loudness': -7.119,\n",
       "  'tempo': 159.323,\n",
       "  'track_name': \"Ain't She Sweet\",\n",
       "  'year': 1964},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 140.38159,\n",
       "  'key': 6,\n",
       "  'loudness': -22.085,\n",
       "  'tempo': 189.577,\n",
       "  'track_name': 'George Harrison Telephone Interview_ Miami February 1964',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 283.08853,\n",
       "  'key': 6,\n",
       "  'loudness': -27.49,\n",
       "  'tempo': 89.028,\n",
       "  'track_name': \"George Harrison Gives His Views On Press Conferences_ A Hard Day'S Night And The Usa Compared To The\",\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 180.76689,\n",
       "  'key': 10,\n",
       "  'loudness': -23.302,\n",
       "  'tempo': 120.125,\n",
       "  'track_name': 'Paul and George To Tony McArthur in Wellington',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 139.38893,\n",
       "  'key': 11,\n",
       "  'loudness': -19.4,\n",
       "  'tempo': 74.434,\n",
       "  'track_name': 'George_ John and Paul About Hong Kong To DJ Bob Rogers',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 354.71628,\n",
       "  'key': 1,\n",
       "  'loudness': -19.857,\n",
       "  'tempo': 135.677,\n",
       "  'track_name': 'Paul Mccartney Talks About Acting_ Folk-Rock_ Miami And The Press On 29th August',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 209.05751,\n",
       "  'key': 4,\n",
       "  'loudness': -50.664,\n",
       "  'tempo': 71.725,\n",
       "  'track_name': 'Derek Taylor With John_ Paul_ George and Ringo',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 177.6322,\n",
       "  'key': 1,\n",
       "  'loudness': -19.084,\n",
       "  'tempo': 98.264,\n",
       "  'track_name': 'In Sydney With Bob Rogers',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 100.20526,\n",
       "  'key': 0,\n",
       "  'loudness': -19.02,\n",
       "  'tempo': 243.151,\n",
       "  'track_name': 'Concert Announcements_ from Paul in Melbourne',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 228.12689,\n",
       "  'key': 6,\n",
       "  'loudness': -51.235,\n",
       "  'tempo': 46.343,\n",
       "  'track_name': 'Derek Taylor With John Lennon',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 460.48608,\n",
       "  'key': 10,\n",
       "  'loudness': -17.625,\n",
       "  'tempo': 254.209,\n",
       "  'track_name': 'John Discusses The Effects Of Beatlemania On Family Life_ A Hard Days Night_ Touring And Concerts On',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 134.84363,\n",
       "  'key': 9,\n",
       "  'loudness': -19.704,\n",
       "  'tempo': 226.528,\n",
       "  'track_name': 'John Lennon on \"Yesterday and Today\" Album Cover',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 213.28934,\n",
       "  'key': 10,\n",
       "  'loudness': -17.143,\n",
       "  'tempo': 129.532,\n",
       "  'track_name': 'George Harrison Discusses The Differences Between English And Americam Lifestyles On 9th September 1',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 749.66159,\n",
       "  'key': 9,\n",
       "  'loudness': -19.887,\n",
       "  'tempo': 70.212,\n",
       "  'track_name': 'Sydney Press Conference June 1964',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 58.04363,\n",
       "  'key': 3,\n",
       "  'loudness': -22.677,\n",
       "  'tempo': 85.418,\n",
       "  'track_name': 'John Lennon on Drugs',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 490.68363,\n",
       "  'key': 10,\n",
       "  'loudness': -49.7,\n",
       "  'tempo': 40.103,\n",
       "  'track_name': 'Derek Taylor With Paul McCartney',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 52.45342,\n",
       "  'key': 6,\n",
       "  'loudness': -22.014,\n",
       "  'tempo': 98.448,\n",
       "  'track_name': 'Post Beatles Interviews With John Lennon (c. 1971/74). JL on School.',\n",
       "  'year': 0},\n",
       " {'artist_name': 'The Beatles',\n",
       "  'duration': 197.17179,\n",
       "  'key': 7,\n",
       "  'loudness': -16.026,\n",
       "  'tempo': 106.759,\n",
       "  'track_name': 'Adelaide Town Hall Balcony With Bob Francis and Bob Rogers',\n",
       "  'year': 0}]"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[t for t in data if t['artist_name'] == 'The Beatles']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
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       "  'year': 1977},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 245.9424,\n",
       "  'key': 7,\n",
       "  'loudness': -3.678,\n",
       "  'tempo': 147.047,\n",
       "  'track_name': 'Tie Your Mother Down (Live)',\n",
       "  'year': 2004},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 210.46812,\n",
       "  'key': 2,\n",
       "  'loudness': -10.369,\n",
       "  'tempo': 117.933,\n",
       "  'track_name': 'The Hero (1994 Digital Remaster)',\n",
       "  'year': 1980},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 252.682,\n",
       "  'key': 8,\n",
       "  'loudness': -7.533,\n",
       "  'tempo': 60.782,\n",
       "  'track_name': 'No One But You (Only The Good Die Young)',\n",
       "  'year': 1997},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 78.75873,\n",
       "  'key': 0,\n",
       "  'loudness': -15.896,\n",
       "  'tempo': 111.159,\n",
       "  'track_name': 'Heaven For Everyone (With Commentary)',\n",
       "  'year': 2009},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 172.59057,\n",
       "  'key': 0,\n",
       "  'loudness': -5.079,\n",
       "  'tempo': 120.179,\n",
       "  'track_name': \"You're My Best Friend\",\n",
       "  'year': 1975},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 178.41587,\n",
       "  'key': 1,\n",
       "  'loudness': -8.478,\n",
       "  'tempo': 123.755,\n",
       "  'track_name': 'Is This The World We Created? (Live)',\n",
       "  'year': 0},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 227.36934,\n",
       "  'key': 2,\n",
       "  'loudness': -5.906,\n",
       "  'tempo': 123.966,\n",
       "  'track_name': 'Under Pressure',\n",
       "  'year': 1986},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 179.9571,\n",
       "  'key': 10,\n",
       "  'loudness': -6.269,\n",
       "  'tempo': 120.693,\n",
       "  'track_name': 'Killer Queen (2009 Digital Remaster)',\n",
       "  'year': 0},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 204.14649,\n",
       "  'key': 4,\n",
       "  'loudness': -4.291,\n",
       "  'tempo': 93.786,\n",
       "  'track_name': 'Tutti Frutti (Live)',\n",
       "  'year': 0},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 205.73995,\n",
       "  'key': 2,\n",
       "  'loudness': -4.758,\n",
       "  'tempo': 103.898,\n",
       "  'track_name': 'Sheer Heart Attack',\n",
       "  'year': 1977},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 225.74975,\n",
       "  'key': 11,\n",
       "  'loudness': -14.94,\n",
       "  'tempo': 122.329,\n",
       "  'track_name': 'Hang On In There',\n",
       "  'year': 1989},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 134.71302,\n",
       "  'key': 1,\n",
       "  'loudness': -19.959,\n",
       "  'tempo': 80.784,\n",
       "  'track_name': 'Is This The World We Created? (1994 Digital Remaster)',\n",
       "  'year': 1984},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 373.62893,\n",
       "  'key': 0,\n",
       "  'loudness': -14.601,\n",
       "  'tempo': 152.444,\n",
       "  'track_name': 'Father To Son (1994 Digital Remaster)',\n",
       "  'year': 1974},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 292.44036,\n",
       "  'key': 2,\n",
       "  'loudness': -5.021,\n",
       "  'tempo': 86.322,\n",
       "  'track_name': 'Action This Day',\n",
       "  'year': 1982},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 88.73751,\n",
       "  'key': 9,\n",
       "  'loudness': -13.621,\n",
       "  'tempo': 183.511,\n",
       "  'track_name': 'Football Fight (1994 Digital Remaster)',\n",
       "  'year': 1980},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 141.92281,\n",
       "  'key': 0,\n",
       "  'loudness': -12.546,\n",
       "  'tempo': 76.129,\n",
       "  'track_name': 'Imagine (Live In Frankfurt Bootleg)',\n",
       "  'year': 0},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 181.49832,\n",
       "  'key': 10,\n",
       "  'loudness': -10.605,\n",
       "  'tempo': 166.493,\n",
       "  'track_name': 'Bicycle Race (2008 Digital Remaster)',\n",
       "  'year': 0},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 390.922,\n",
       "  'key': 1,\n",
       "  'loudness': -16.323,\n",
       "  'tempo': 144.715,\n",
       "  'track_name': 'Innuendo',\n",
       "  'year': 1991},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 212.11383,\n",
       "  'key': 4,\n",
       "  'loudness': -10.729,\n",
       "  'tempo': 80.739,\n",
       "  'track_name': 'Life Is Real (Song For Lennon) (1994 Digital Remaster)',\n",
       "  'year': 1982},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 139.17995,\n",
       "  'key': 4,\n",
       "  'loudness': -19.173,\n",
       "  'tempo': 260.231,\n",
       "  'track_name': 'Who Wants To Live Forever (With Commentary)',\n",
       "  'year': 2009},\n",
       " {'artist_name': 'Queen',\n",
       "  'duration': 278.30812,\n",
       "  'key': 2,\n",
       "  'loudness': -6.678,\n",
       "  'tempo': 143.874,\n",
       "  'track_name': 'Headlong',\n",
       "  'year': 1991}]"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "[t for t in data if t['artist_name'] == 'Queen']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
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