======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '187'
                                          'artist'  'Cannibal Corpse'
                                     'text_people'  ''
                                         'release'  'Gallery of Suicide'
                                           'title'  'Sentenced to Burn'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'grindcore', 'american', 'death metal', 'brutal death metal']"
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '14'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '134.9'
                                             'key'  '3A'
                                        'acoustid'  '291c7211-71d7-4b06-aeb5-15a1c0e19444'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gallery of Suicide'
'TBPM' (BPM (beats per minute))                     '134.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '2005-01-19'
'TIT2' (Title/songname/content description)         'Sentenced to Burn'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cannibal Corpse'
'TPE2' (Band/orchestra/accompaniment)               'Cannibal Corpse'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Metal Blade Records'
'TRCK' (Track number/Position in set)               '3/14'
'TSO2'                                              'Cannibal Corpse'
'TSOP' (Performer sort order)                       'Cannibal Corpse'
'TXXX:Acoustid Id'                                  '291c7211-71d7-4b06-aeb5-15a1c0e19444'
'TXXX:BARCODE'                                      '4562180720216'
'TXXX:CATALOGNUMBER'                                'MBCY-1021'
'TXXX:MusicBrainz Album Artist Id'                  'af8e4cc5-ef54-458d-a194-7b210acf638f'
'TXXX:MusicBrainz Album Id'                         '120d9492-8354-4eca-b512-4258b0caa256'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'af8e4cc5-ef54-458d-a194-7b210acf638f'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['metal', 'grindcore', 'american', 'death metal', 'brutal death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.448879'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8635f4f2-9818-4da2-b765-4ba035fe8b58')

========================== row from database ==========================
                                              'id'  1391215
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Cannibal Corpse (1998) - Gallery Of Suicide/Cannibal Corpse - Gallery Of Suicide - 03 - Sentenced To Burn.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  187
                                           'genre'  eid-metal-death
                                        'filesize'  2996622
                                           'mtime'  1620301671
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death (1998) Of Of 03 To eid metal death
                                      'tag_artist'  Cannibal Corpse
                                     'tag_release'  Gallery of Suicide
                                       'tag_title'  Sentenced to Burn
                                             'bpm'  134.9
                                    'search_title'  'burn':3 'sentenced':1 'to':2
                                   'search_artist'  'cannibal':1 'corpse':2
                                  'search_release'  'gallery':1 'of':2 'suicide':3
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 '1998':4,5 'death':10 'eid':8 'metal':9 'of':6 'to':7
                                    'search_combo'  '00death':11 '00dwimp':9 '00metal':10 '1998':12,13 'burn':3A 'cannibal':4B 'corpse':5B 'death':18 'eid':16 'gallery':6C 'metal':17 'of':7C,14 'sentenced':1A 'suicide':8C 'to':2A,15
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'grindcore', 'american', 'death metal', 'brutal death metal']
                                        'tag_date'  2005
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301670.8842752  (2021-05-06 13:47:50)
                             'size'  2996622