======================== unified (from filesystem) ========================
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                                        'duration'  '144'
                                          'artist'  'Dave Dee, Dozy, Beaky, Mick & Tich'
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                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
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                                             'bpm'  '138.987'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'album'                                             'Psychedelic Promos Radio Spots Vol. 5'
'artist'                                            'Dave Dee, Dozy, Beaky, Mick & Tich'
'bpm'                                               '138.987'
'comment'                                           'http://archive.org/details/PsychedelicPromosRadioSpotsVol.5'
'crc32'                                             '6dbc3405'
'date'                                              '1970'
'encoder'                                           ['Lavc55.68.101 libvorbis', 'Lavf55.45.100']
'format'                                            'VBR MP3'
'genre'                                             'nonmusic-commercials'
'height'                                            '0'
'key'                                               '6A'
'lastfmtags'                                        ['60s', 'classic rock', 'oldies', 'british', 'pop']
'length'                                            '144.69'
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'mtime'                                             '1407595787'
'q-bass'                                            '3'
'q-busy'                                            '3'
'q-chart'                                           '1'
'q-drums'                                           '3'
'q-grit'                                            '1'
'q-hap'                                             '3'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '1'
'q-oldst'                                           '2'
'q-other'                                           '2'
'q-piano'                                           '1'
'q-play'                                            '2'
'q-syn'                                             '2'
'q-unu'                                             '1'
'q-vocals'                                          '4'
'replaygain_track_gain'                             '-5.10 dB'
'replaygain_track_peak'                             '0.982100'
'sha1'                                              '62486f94e2d57a786d17695f097985124fb568c1'
'size'                                              '5788733'
'source'                                            'original'
'title'                                             'Coke Spot (Long)'
'tracknum'                                          '11'
'tracknumber'                                       '11'
'width'                                             '0'

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                                      'tag_artist'  Dave Dee, Dozy, Beaky, Mick & Tich
                                     'tag_release'  Psychedelic Promos Radio Spots Vol. 5
                                       'tag_title'  Coke Spot (Long)
                                             'bpm'  138.987
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                                   'search_artist'  'beaky':6,7 'dave':1 'dee':2,3 'dozy':4,5 'mick':8 'tich':9
                                  'search_release'  '5':7 'promos':2 'psychedelic':1 'radio':3 'spots':4 'vol':5,6
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                                    'search_combo'  '0nonmusic':21 '11':25,26 '5':20C,23,34 'beaky':10B,11B 'coke':1A 'commercials':28 'dave':5B 'dee':6B,7B 'dozy':8B,9B 'long':3A,4A 'mick':12B 'nonmusic':27 'promos':15C,30 'psychedelic':14C,29 'psychedelicpromosradiospotsvol':22 'psychedelicpromosradiospotsvol5':24 'radio':16C,31 'spot':2A 'spots':17C,32 'tich':13B 'vol':18C,19C,33 'vol5':35
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['q-mixbeat-1', 'q-chart-1', 'q-oldst-2', 'q-grit-1', 'q-hap-3', 'q-drums-3', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-1', 'q-play-2', 'q-other-2', 'q-bass-3', 'q-vocals-4', 'q-unu-1']
                                      'lastfmtags'  ['60s', 'classic rock', 'oldies', 'british', 'pop']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525815.3859184  (2021-05-09 04:03:35)
                             'size'  1490701