======================== unified (from filesystem) ========================
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                                        'duration'  '161'
                                          'artist'  '[unknown]'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '24'
                                            'date'  '1975'
                                        'comments'  ''
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                                             'bpm'  '118'
                                             'key'  '8A'
                                        'acoustid'  'eb872230-a833-4c6a-9f5f-29261bb9a8c0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1975'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         "Gabi's Theme from Dagmar Zeigt's Euch"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               '[unknown]'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/24'
'TSO2'                                              '[unknown]'
'TSOP' (Performer sort order)                       '[unknown]'
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'TXXX:Artists'                                      '[unknown]'
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'TXXX:MusicBrainz Album Id'                         '1d075d99-2406-4093-af06-2d7a8e87d6b1'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
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'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-8.92 dB'
'TXXX:replaygain_track_peak'                        '1.044416'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1069cf35-2e9e-4701-a464-e0a371c72e45')
'USER:Cop'                                          ('yright notice. These materials are protected by United States copyright law '
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 'personal, non-commercial use only. You may not otherwise reproduce, '
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 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/classic porn music compilation/inside deep note 2/Various Artists_Inside Deep Note 2_ Music Of 1970s Adult Cinema_12_Gabis Theme (From Dagmar Zeigts Euch).mp3
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                                    'duration_sec'  161
                                           'genre'  soundtrack-video
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                                           'mtime'  1623283037
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                                     'tag_release'  Inside Deep Note: Music of 1970s Adult Cinema 2
                                       'tag_title'  Gabi's Theme from Dagmar Zeigt's Euch
                                             'bpm'  118.0
                                    'search_title'  'dagmar':6 'euch':10 'from':5 'gabi':1 'gabis':3 's':2,8 'theme':4 'zeigt':7 'zeigts':9
                                   'search_artist'  'unknown':1,2
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                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-UNU-1', 'q-drums-4', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623283036.596026  (2021-06-10 01:57:16)
                             'size'  2972664