======================== unified (from filesystem) ========================
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                                        'duration'  '256'
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '12'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;prerock-jb-jazz-unsorted'
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======================== rawer (from filesystem) ========================

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'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-01-23'
'TIT2' (Title/songname/content description)         'You Gave Me A Love'
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Port of Notes'
'TPE2' (Band/orchestra/accompaniment)               'Port of Notes'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/12'
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'TSOP' (Performer sort order)                       'Port of Notes'
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'TXXX:lastfmtags'                                   ['acoustic', 'jazz', 'female vocalists', 'japanese', 'soul']
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========================== row from database ==========================
                                              'id'  1383527
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Port of Notes/[1999] Complain too much/01 You Gave Me A Love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  256
                                           'genre'  loc-asia-japan;prerock-jb-jazz-unsorted
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                                           'mtime'  1620533770
                                   'redo_metaread'  0
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                                     'tag_release'  Complain Too Much
                                       'tag_title'  You Gave Me A Love
                                             'bpm'  127.605
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                                   'search_artist'  'notes':3 'of':2 'port':1
                                  'search_release'  'complain':1 'much':3 'too':2
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                                    'search_combo'  '1999':16,17 'a':4A 'asia':21 'complain':9C 'country':15 'exotica':13 'gave':2A 'japan':22,24 'jazz':12 'jb':26 'loc':20 'love':5A 'me':3A 'much':11C,19 'notes':8B 'of':7B 'oldies':14 'port':6B 'prerock':23,25 'too':10C,18 'unsorted':27 'you':1A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acoustic', 'jazz', 'female vocalists', 'japanese', 'soul']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533769.5792043  (2021-05-09 06:16:09)
                             'size'  4118795