======================== unified (from filesystem) ========================
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                                        'duration'  '60'
                                          'artist'  'Freddie & The Dreamers'
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                                      'lastfmtags'  "['60s', 'british invasion', 'oldies', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials'
                                             'bpm'  '115.854'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'Psychedelic Promos Radio Spots Vol. 4'
'artist'                                            'Freddie & The Dreamers'
'bpm'                                               '115.854'
'comment'                                           'http://archive.org/details/PsychedelicPromosRadioSpotsVol.4'
'crc32'                                             'e02dbede'
'date'                                              '1970'
'encoder'                                           ['Lavc55.68.101 libvorbis', 'Lavf55.45.100']
'format'                                            'VBR MP3'
'genre'                                             'nonmusic-commercials'
'height'                                            '0'
'key'                                               '3A'
'lastfmtags'                                        ['60s', 'british invasion', 'oldies', 'pop', 'rock']
'length'                                            '60.4'
'md5'                                               'c7ab05ba0a1e56f3b578ac2d1aaf294d'
'mtime'                                             '1407592619'
'q-bass'                                            '4'
'q-busy'                                            '3'
'q-chart'                                           '1'
'q-drums'                                           '1'
'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'                             '-6.71 dB'
'replaygain_track_peak'                             '1.024222'
'sha1'                                              '324650b76ea01eeb59a7bebb07d97e81af3dbcb5'
'size'                                              '2416848'
'source'                                            'original'
'title'                                             'Sea Side Swingers Movie Promo Spot'
'tracknum'                                          '58'
'tracknumber'                                       '58'
'width'                                             '0'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0nonmusic/PsychedelicPromosRadioSpotsVol.4/58. Freddie & The Dreamers - Sea Side Swingers Movie Promo Spot.ogg
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  60
                                           'genre'  nonmusic-commercials
                                        'filesize'  459635
                                           'mtime'  1620525796
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                                      'tag_artist'  Freddie & The Dreamers
                                     'tag_release'  Psychedelic Promos Radio Spots Vol. 4
                                       'tag_title'  Sea Side Swingers Movie Promo Spot
                                             'bpm'  115.854
                                    'search_title'  'movie':4 'promo':5 'sea':1 'side':2 'spot':6 'swingers':3
                                   'search_artist'  'dreamers':3 'freddie':1 'the':2
                                  'search_release'  '4':7 'promos':2 'psychedelic':1 'radio':3 'spots':4 'vol':5,6
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                                    'search_combo'  '0nonmusic':17 '4':16C,19,30 '58':21,22 'commercials':24 'dreamers':9B 'freddie':7B 'movie':4A 'nonmusic':23 'promo':5A 'promos':11C,26 'psychedelic':10C,25 'psychedelicpromosradiospotsvol':18 'psychedelicpromosradiospotsvol4':20 'radio':12C,27 'sea':1A 'side':2A 'spot':6A 'spots':13C,28 'swingers':3A 'the':8B 'vol':14C,15C,29 'vol4':31
                                    'tag_tracknum'  58
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['q-mixbeat-1', 'q-chart-1', 'q-oldst-2', 'q-grit-1', 'q-hap-3', 'q-drums-1', '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-4', 'q-vocals-4', 'q-unu-1']
                                      'lastfmtags'  ['60s', 'british invasion', 'oldies', 'pop', 'rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525795.846791  (2021-05-09 04:03:15)
                             'size'  459635