======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '364'
                                          'artist'  'Watain'
                                     'text_people'  ''
                                         'release'  'Lawless Darkness'
                                           'title'  'Total Funeral'
                                           '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-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish black metal', 'swedish', 'religious black metal', 'black metal', "
 "'orthodox black metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '10'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '102.178'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lawless Darkness'
'TBPM' (BPM (beats per minute))                     '102.178'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-06-07'
'TIT2' (Title/songname/content description)         'Total Funeral'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Watain'
'TPE2' (Band/orchestra/accompaniment)               'Watain'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Season of Mist'
'TRCK' (Track number/Position in set)               '7/10'
'TSO2'                                              'Watain'
'TSOP' (Performer sort order)                       'Watain'
'TSRC' (ISRC (international standard recording code))  'FR33T1020307'
'TXXX:ASIN'                                         'B003BNA9V8'
'TXXX:BARCODE'                                      '822603120325'
'TXXX:CATALOGNUMBER'                                'SOM 203'
'TXXX:MusicBrainz Album Artist Id'                  '8c51b06d-b678-4bbf-aeac-7295dfb69d13'
'TXXX:MusicBrainz Album Id'                         'cda2f266-ecf2-4cfc-9af5-44903930a286'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8c51b06d-b678-4bbf-aeac-7295dfb69d13'
'TXXX:MusicIP PUID'                                 '5453eb22-ef8d-1c1c-1b3b-3c6c83fce01b'
'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'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['swedish black metal',
 'swedish',
 'religious black metal',
 'black metal',
 'orthodox black metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'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'                        '-0.84 dB'
'TXXX:replaygain_track_peak'                        '0.384073'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4386411e-6277-44c8-b4b6-6ef7146200f5')

========================== row from database ==========================
                                              'id'  1398092
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Watain - 2010 - Lawless Darkness/07 - Total Funeral.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  364
                                           'genre'  eid-metal-black
                                        'filesize'  11656113
                                           'mtime'  1620301820
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2010 07 eid metal black
                                      'tag_artist'  Watain
                                     'tag_release'  Lawless Darkness
                                       'tag_title'  Total Funeral
                                             'bpm'  102.178
                                    'search_title'  'funeral':2 'total':1
                                   'search_artist'  'watain':1
                                  'search_release'  'darkness':2 'lawless':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2010':3 'black':6 'eid':4 'metal':5
                                    'search_combo'  '00dwimp':6 '00metal':7 '2010':8 'black':11 'darkness':5C 'eid':9 'funeral':2A 'lawless':4C 'metal':10 'total':1A 'watain':3B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['swedish black metal', 'swedish', 'religious black metal', 'black metal', 'orthodox black metal']
                                        'tag_date'  2010
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301820.4790125  (2021-05-06 13:50:20)
                             'size'  11656113