======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '3'
                                          'artist'  'Conclusion'
                                     'text_people'  ''
                                         'release'  'A Tribute to Some Bizarre, Volume 1'
                                           'title'  'Conclusion'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['polish', 'metal', 'rock', 'hard rock', 'underground']"
                                     'discogstags'  "['hardcore', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  '25'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '140.8'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Tribute to Some Bizarre, Volume 1'
'TBPM' (BPM (beats per minute))                     '140.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Conclusion'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Conclusion'
'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)               '25/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Conclusion'
'TXXX:Artists'                                      'Conclusion'
'TXXX:CATALOGNUMBER'                                'ATTSB 01'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '52ef8339-c73e-471b-9736-ac8dc30e5c1d'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '3408e16b-59e4-487b-83e6-ff598d7160cc'
'TXXX:MusicBrainz Release Group Id'                 '388c8cf1-d028-41f6-81da-92bce3554509'
'TXXX:MusicBrainz Release Track Id'                 '9a00a9f0-3415-3626-ae54-025fe8d2ba03'
'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'                                  ['hardcore', 'punk', 'rock']
'TXXX:lastfmtags'                                   ['polish', 'metal', 'rock', 'hard rock', 'underground']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.343403'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'346547e7-beb8-47b6-bf37-b420b2cdbb74')

========================== row from database ==========================
                                              'id'  850740
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/A Tribute To Some Bizarre/A Tribute To Some Bizarre Vol. 1 [128k-192k]/25 Conclusion.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  3
                                           'genre'  electronic-unsorted
                                        'filesize'  99115
                                           'mtime'  1620516574
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm To To Vol. [128k 192k] 25 electronic unsorted
                                      'tag_artist'  Conclusion
                                     'tag_release'  A Tribute to Some Bizarre, Volume 1
                                       'tag_title'  Conclusion
                                             'bpm'  140.8
                                    'search_title'  'conclusion':1
                                   'search_artist'  'conclusion':1
                                  'search_release'  '1':8 'a':1 'bizarre':5,6 'some':4 'to':3 'tribute':2 'volume':7
                                     'search_rest'  '128k':4,5 '192k':6,7 '25':8 'electronic':9 'to':1 'unsorted':10 'vol':2,3
                                    'search_combo'  '1':10C '128k':14,15 '192k':16,17 '25':18 'a':3C 'bizarre':7C,8C 'conclusion':1A,2B 'electronic':19 'some':6C 'to':5C,11 'tribute':4C 'unsorted':20 'vol':12,13 'volume':9C
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['polish', 'metal', 'rock', 'hard rock', 'underground']
                                        'tag_date'  1980
                                     'discogstags'  ['hardcore', 'punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620516573.875988  (2021-05-09 01:29:33)
                             'size'  99115