======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '319'
                                          'artist'  'DoomSword'
                                     'text_people'  ''
                                         'release'  'My Name Will Live On'
                                           'title'  'Thundercult'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['epic doom metal', 'viking metal', 'doom metal', 'epic metal', 'heavy metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '9'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '123.3'
                                             'key'  '2A'
                                        'acoustid'  '53288bb7-8425-4d96-8664-771692fd2c93'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'My Name Will Live On'
'TBPM' (BPM (beats per minute))                     '123.3'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-06-22'
'TIT2' (Title/songname/content description)         'Thundercult'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'DoomSword'
'TPE2' (Band/orchestra/accompaniment)               'DoomSword'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Dragonheart'
'TRCK' (Track number/Position in set)               '6/9'
'TSO2'                                              'DoomSword'
'TSOP' (Performer sort order)                       'DoomSword'
'TXXX:ASIN'                                         'B000R28HKQ'
'TXXX:Acoustid Id'                                  '53288bb7-8425-4d96-8664-771692fd2c93'
'TXXX:CATALOGNUMBER'                                'CHAOS 040CD'
'TXXX:MusicBrainz Album Artist Id'                  '779a6b10-0eec-4bcc-8fb7-eb54e9888d23'
'TXXX:MusicBrainz Album Id'                         'fa4d8861-922c-4b0f-9c22-1913efbf5e68'
'TXXX:MusicBrainz Album Release Country'            'IT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '779a6b10-0eec-4bcc-8fb7-eb54e9888d23'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['epic doom metal', 'viking metal', 'doom metal', 'epic metal', 'heavy metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.442094'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7de732b5-23c0-4746-9557-a360ecd95003')

========================== row from database ==========================
                                              'id'  1399586
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Doomsword - My Name Will Live On (2007)/06. Thundercult.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  319
                                           'genre'  eid-metal
                                        'filesize'  6421221
                                           'mtime'  1620300564
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Doomsword (2007) 06. eid metal
                                      'tag_artist'  DoomSword
                                     'tag_release'  My Name Will Live On
                                       'tag_title'  Thundercult
                                             'bpm'  123.3
                                    'search_title'  'thundercult':1
                                   'search_artist'  'doom':2 'doomsword':1 'sword':3
                                  'search_release'  'live':4 'my':1 'name':2 'on':5 'will':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '06':6,7 '2007':4,5 'doomsword':3 'eid':8 'metal':9
                                    'search_combo'  '00dwimp':10 '00metal':11 '06':15,16 '2007':13,14 'doom':3B 'doomsword':2B,12 'eid':17 'live':8C 'metal':18 'my':5C 'name':6C 'on':9C 'sword':4B 'thundercult':1A 'will':7C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['epic doom metal', 'viking metal', 'doom metal', 'epic metal', 'heavy metal']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300563.5182023  (2021-05-06 13:29:23)
                             'size'  6421221