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                                      'tracktotal'  ''
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                                             'bpm'  '139.658'
                                             'key'  '11A'
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======================== rawer (from filesystem) ========================

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'artist'                                            '[unknown]'
'bpm'                                               '139.658'
'comment'                                           'http://archive.org/details/PsychedelicPromosRadioSpotsVol.8'
'crc32'                                             'd3e127c8'
'date'                                              '1970'
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'format'                                            'VBR MP3'
'genre'                                             'nonmusic-commercials'
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'key'                                               '11A'
'length'                                            '62.59'
'md5'                                               'fe70cfe51233281823617d4fe824791f'
'mtime'                                             '1407631233'
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'q-hap'                                             '3'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
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'sha1'                                              '35c5014dfc4ffa00b84330420bd5c3b30dc00bb9'
'size'                                              '2504619'
'source'                                            'original'
'title'                                             "Colosseum - 'We Who Are About to Die Salute You' LP ad"
'tracknum'                                          '55'
'tracknumber'                                       "55 - Colosseum - 'We Who Are About to Die Salute You' LP ad"
'width'                                             '0'

========================== row from database ==========================
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                                       'tag_title'  Colosseum - 'We Who Are About to Die Salute You' LP ad
                                             'bpm'  139.658
                                    'search_title'  'about':6 'ad':13 'are':5 'colosseum':1 'die':8 'lp':12 'salute':9 'to':7 'we':2,3 'who':4 'you':10,11
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '8':7 'promos':2 'psychedelic':1 'radio':3 'spots':4 'vol':5,6
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                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['q-mixbeat-1', 'q-chart-1', 'q-oldst-2', 'q-grit-1', 'q-hap-3', 'q-drums-2', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-1', 'q-play-2', 'q-other-1', 'q-bass-4', 'q-vocals-4', 'q-unu-1']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
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                             'size'  606356