======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '198'
                                          'artist'  'Behemoth'
                                     'text_people'  ''
                                         'release'  'Satanica'
                                           'title'  'Decade of Therion'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'black metal', 'death metal', 'blackened death metal', 'polish']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '145.267'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Satanica'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Decade of Therion'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Behemoth'
'TPE2' (Band/orchestra/accompaniment)               'Behemoth'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Irond'
'TRCK' (Track number/Position in set)               '1/14'
'TSO2'                                              'Behemoth'
'TSOP' (Performer sort order)                       'Behemoth'
'TXXX:CATALOGNUMBER'                                'IROND CD 02-174'
'TXXX:MusicBrainz Album Artist Id'                  '69632f9c-31eb-43d5-a864-e73ac72efc66'
'TXXX:MusicBrainz Album Id'                         'bd0fdfdb-17c9-45a0-8bce-080677096ee0'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '69632f9c-31eb-43d5-a864-e73ac72efc66'
'TXXX:MusicIP PUID'                                 '39ae90a2-9786-90a9-d58d-cd47eec65cc3'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['metal', 'black metal', 'death metal', 'blackened death metal', 'polish']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+9.72 dB'
'TXXX:replaygain_track_peak'                        '0.088170'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'397e1770-d53d-49b5-81b8-281550d900ab')

========================== row from database ==========================
                                              'id'  1396143
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Behemoth - Satanica (2000)/01 - Decade Of Oepion.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  198
                                           'genre'  eid-metal-death
                                        'filesize'  4776822
                                           'mtime'  1620301857
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal (2000) 01 Of Oepion eid metal death
                                      'tag_artist'  Behemoth
                                     'tag_release'  Satanica
                                       'tag_title'  Decade of Therion
                                             'bpm'  145.267
                                    'search_title'  'decade':1 'of':2 'therion':3
                                   'search_artist'  'behemoth':1
                                  'search_release'  'satanica':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2000':3,4 'death':9 'eid':7 'metal':8 'oepion':6 'of':5
                                    'search_combo'  '00dwimp':6 '00metal':7 '2000':8,9 'behemoth':4B 'death':14 'decade':1A 'eid':12 'metal':13 'oepion':11 'of':2A,10 'satanica':5C 'therion':3A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           '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-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'black metal', 'death metal', 'blackened death metal', 'polish']
                                        'tag_date'  2002
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620301856.545759  (2021-05-06 13:50:56)
                             'size'  4776822