======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '238'
                                          'artist'  'Smersh'
                                     'text_people'  ''
                                         'release'  'A Tribute to Some Bizarre, Volume 2'
                                           'title'  'Black on Pink'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['grindcore', 'industrial', 'minimal synth', 'experimental', 'synth']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '21'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '121.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'A Tribute to Some Bizarre, Volume 2'
'TBPM' (BPM (beats per minute))                     '121.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Black on Pink'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Smersh'
'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)               '2/21'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Smersh'
'TXXX:Artists'                                      'Smersh'
'TXXX:CATALOGNUMBER'                                'ATTSB 02'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '1a2a37cc-1e94-4a5b-b0f9-d20115142ce8'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '3f2b46c5-ca97-4046-b42f-1c6f7bd1bab7'
'TXXX:MusicBrainz Release Group Id'                 'df36bc52-2630-45c0-88ff-7fe8fb223e7b'
'TXXX:MusicBrainz Release Track Id'                 '482aaba1-2597-3d29-a434-4577fdf5a297'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['grindcore', 'industrial', 'minimal synth', 'experimental', 'synth']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.689632'
'TXXX:tracknum'                                     '02'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e94273c7-35d5-4e3d-a944-438399aba698')

========================== row from database ==========================
                                              'id'  850886
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 2 [192k]/02 - smersh - black on pink.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  238
                                           'genre'  electronic-unsorted
                                        'filesize'  5821457
                                           'mtime'  1647348713
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. [192k] 02 smersh black pink electronic unsorted
                                      'tag_artist'  Smersh
                                     'tag_release'  A Tribute to Some Bizarre, Volume 2
                                       'tag_title'  Black on Pink
                                             'bpm'  121.4
                                    'search_title'  'black':1 'on':2 'pink':3
                                   'search_artist'  'smersh':1
                                  'search_release'  '2':8 'a':1 'bizarre':5,6 'some':4 'to':3 'tribute':2 'volume':7
                                     'search_rest'  '192k':4,5 'black':7 'electronic':9 'pink':8 'smersh':6 'to':1 'unsorted':10 'vol':2,3
                                    'search_combo'  '192k':16,17 '2':12C 'a':5C 'bizarre':9C,10C 'black':1A,19 'electronic':21 'on':2A 'pink':3A,20 'smersh':4B,18 'some':8C 'to':7C,13 'tribute':6C 'unsorted':22 'vol':14,15 'volume':11C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['grindcore', 'industrial', 'minimal synth', 'experimental', 'synth']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1647348712.930668  (2022-03-15 13:51:52)
                             'size'  5821457