======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '237'
                                          'artist'  'Katze'
                                     'text_people'  ''
                                         'release'  'A Tribute to Some Bizarre, Volume 9'
                                           'title'  'Tid att älska'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rock', 'indie', 'japanese', 'pop', 'swedish']"
                                     'discogstags'  "['new wave', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '20'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '98.5'
                                             'key'  '2A'
                                        'acoustid'  '06f98103-230b-469b-bbd0-31cb767d3ae7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Tribute to Some Bizarre, Volume 9'
'TBPM' (BPM (beats per minute))                     '98.5'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Tid att älska'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Katze'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A Tribute to Some Bizarre'
'TRCK' (Track number/Position in set)               '4/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Katze'
'TXXX:Acoustid Id'                                  '06f98103-230b-469b-bbd0-31cb767d3ae7'
'TXXX:Artists'                                      'Katze'
'TXXX:CATALOGNUMBER'                                'ATTSB 09'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'dbebdab6-fc6e-488e-a767-125ab69f0210'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '9dba1699-b46e-4d0f-bfe3-512eed1d941e'
'TXXX:MusicBrainz Release Group Id'                 'ef66448c-62bc-4fce-a023-37b56b4e66fb'
'TXXX:MusicBrainz Release Track Id'                 'd79f0951-c4b7-3ed5-b835-a992a19a8e84'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['new wave', 'electronic']
'TXXX:lastfmtags'                                   ['rock', 'indie', 'japanese', 'pop', 'swedish']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.617454'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'75070bba-3943-4556-b2ac-32318253abc0')

========================== row from database ==========================
                                              'id'  850780
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 9 [vBr]/04.Katze - Tid Att älska.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  237
                                           'genre'  electronic-unsorted
                                        'filesize'  3838439
                                           'mtime'  1639510796
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. [vBr] 04.Katze Att electronic unsorted
                                      'tag_artist'  Katze
                                     'tag_release'  A Tribute to Some Bizarre, Volume 9
                                       'tag_title'  Tid att älska
                                             'bpm'  98.5
                                    'search_title'  'alska':3,4 'att':2 'tid':1
                                   'search_artist'  'katze':1
                                  'search_release'  '9':8 'a':1 'bizarre':5,6 'some':4 'to':3 'tribute':2 'volume':7
                                     'search_rest'  '04':6 '04katze':8 'att':9 'br':14,15 'electronic':10 'katze':7 'to':1 'unsorted':11 'v':12,13 'vbr':4,5 'vol':2,3
                                    'search_combo'  '04':19 '04katze':21 '9':13C 'a':6C 'alska':3A,4A 'att':2A,22 'bizarre':10C,11C 'br':27,28 'electronic':23 'katze':5B,20 'some':9C 'tid':1A 'to':8C,14 'tribute':7C 'unsorted':24 'v':25,26 'vbr':17,18 'vol':15,16 'volume':12C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'indie', 'japanese', 'pop', 'swedish']
                                        'tag_date'  1980
                                     'discogstags'  ['new wave', 'electronic']

============================== file details ==============================
                                           'mtime'  1639510796.21587  (2021-12-14 20:39:56)
                             'size'  3838439