======================== unified (from filesystem) ========================
                                         'bitrate'  '203.901'
                                        'duration'  '205'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Radio Phnom Penh'
                                           'title'  'Sign-Off/The Venerable Anthem'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
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                                             'bpm'  '95.890'
                                             'key'  '10A'
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rest: ''

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

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'TBPM' (BPM (beats per minute))                     '95.890'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-cambodia', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-02-08'
'TIT2' (Title/songname/content description)         'Sign-Off/The Venerable Anthem'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sublime Frequencies'
'TRCK' (Track number/Position in set)               '13/13'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       '[unknown]'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame V3.97 (Beta)'
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'TXXX:BARCODE'                                      '7519372631284'
'TXXX:CATALOGNUMBER'                                'SF020'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '979fce83-9c12-4879-a6f8-bac32526a50f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.349777'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f9cae120-73da-481e-b234-8a51edc9b177')

========================== row from database ==========================
                                              'id'  479140
                                            'path'  /data/Music/Bulk/00localcharacter/Sublime Frequencies/[SF020] Various Artists - Radio Phnom Penh (Sublime Frequencies,2005)/13 - Sign Offthe Venerable Anthem.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  205
                                           'genre'  loc-asia-cambodia;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  5232702
                                           'mtime'  1621629791
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Sublime Frequencies [SF020] Various Artists (Sublime Frequencies,2005) 13 Offthe loc asia cambodia;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  Radio Phnom Penh
                                       'tag_title'  Sign-Off/The Venerable Anthem
                                             'bpm'  95.89
                                    'search_title'  'anthem':6 'off':2 'sign':1 'signoffthe':4 'the':3 'venerable':5
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'penh':3 'phnom':2 'radio':1
                                     'search_rest'  '2005':9,11 'artists':6 'asia':14 'cambodia':15,17 'frequencies':2,8,10 'loc':13 'mor':24 'offthe':12 'pl':19 'set':16,18,21,23 'sf020':3,4 'shirleyspinoza':20,22 'sublime':1,7 'various':5
                                    'search_combo'  '2005':20,22 'anthem':6A 'artists':17 'asia':25 'cambodia':26,28 'frequencies':13,19,21 'loc':24 'mor':35 'off':2A 'offthe':23 'penh':11C 'phnom':10C 'pl':30 'radio':9C 'set':27,29,32,34 'sf020':14,15 'shirleyspinoza':31,33 'sign':1A 'signoffthe':4A 'sublime':12,18 'the':3A 'unknown':7B,8B 'various':16 'venerable':5A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629791.3197675  (2021-05-21 22:43:11)
                             'size'  5232702