======================== unified (from filesystem) ========================
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                                        'duration'  '659'
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
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                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
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                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

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'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "could've moved mountains"
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'the silver mt. zion memorial orchestra & tra-la-la band'
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'TXXX:lastfmtags'                                   ['post-rock', 'experimental', 'instrumental', 'ambient', 'post rock']
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'TXXX:q-drums'                                      '1'
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'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '2'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/the silver mt. zion memorial orchestra & tra-la-la band - A Silver Mount Zion/born into trouble as the sparks fly upward/The Silver Mt. Zion Memorial Orchestra & Tra-La-La Band - Could_ve Moved Mountains.mp3
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                                    'duration_sec'  659
                                           'genre'  electronic-unsorted
                                        'filesize'  13195155
                                           'mtime'  1620580614
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                                      'tag_artist'  the silver mt. zion memorial orchestra & tra-la-la band
                                     'tag_release'  born into trouble as the sparks fly upward
                                       'tag_title'  could've moved mountains
                                             'bpm'  123.106
                                    'search_title'  'could':1 'couldve':3 'mountains':5 'moved':4 've':2
                                   'search_artist'  'band':12 'la':9,10 'memorial':6 'mt':3,4 'orchestra':7 'silver':2 'the':1 'tra':8 'tralala':11 'zion':5
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                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['post-rock', 'experimental', 'instrumental', 'ambient', 'post rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620580614.3056288  (2021-05-09 19:16:54)
                             'size'  13195155