======================== unified (from filesystem) ========================
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                                        'duration'  '96'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  '56'
                                            'date'  '2016'
                                        'comments'  ''
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                                             'bpm'  '84.7'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '84.7'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TDRC' (Recording time)                             '2016'
'TENC' (Encoded by)                                 'iTunes 12.3.3.17'
'TIT2' (Title/songname/content description)         '1st sense'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'luviia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Inner Ocean'
'TRCK' (Track number/Position in set)               '22/56'
'TXXX:CATALOGUE NUMBER'                             'INNER041'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
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'TXXX:q-other'                                      '1'
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'TXXX:q-play'                                       '3'
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'TXXX:q-vocals'                                     '3'
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'TXXX:replaygain_track_peak'                        '0.445750'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/buru - futures - volume 02 - inner ocean records (2016)/22 luviia - 1st_sense.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  96
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  4271898
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                                     'tag_release'  Futures Volume 02 [Inner Ocean] (2016)
                                       'tag_title'  1st sense
                                             'bpm'  84.7
                                    'search_title'  '1st':1 'sense':2
                                   'search_artist'  'luviia':1
                                  'search_release'  '2016':7,8 'futures':1 'inner':3,4 'ocean':5,6 'volume':2
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                                    'search_combo'  '1st':1A,23 '2016':10C,11C '22':22 'buru':16 'chillhop':28 'futures':4C,17 'hip':25 'hiphop':12 'hop':26 'inner':6C,7C,19 'luviia':3B 'ocean':8C,9C,20 'or':27 'rap':13 'records':21 'rnb':14 'sense':2A,24 'turntablism':15 'volume':5C,18
                                    'tag_tracknum'  22
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620587308.9354825  (2021-05-09 21:08:28)
                             'size'  4271898