======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '444'
                                          'artist'  'Celestial Season'
                                     'text_people'  ''
                                         'release'  'Sonic Orb (EP)'
                                           'title'  'King Lizard'
                                           '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-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['death doom metal', 'stoner rock', 'stoner metal', 'doom metal', 'metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-stoner'
                                             'bpm'  '141.1'
                                             'key'  '7A'
                                        'acoustid'  '58077847-8a8b-4fac-b9e5-8cd284ccbfb9'
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=16777216)
'POPM:Helium Music Manager'                         POPM(email='Helium Music Manager', rating=127)
'TALB' (Album/Movie/Show title)                     'Sonic Orb (EP)'
'TBPM' (BPM (beats per minute))                     '141.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-stoner'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TDTG' (Tagging time)                               '2015-05-02 20:11:35'
'TIT2' (Title/songname/content description)         'King Lizard'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TMOO' (Mood)                                       'Melancholic; Sad'
'TOWN' (File owner/licensee)                        '-mp-'
'TPE1' (Lead performer(s)/Soloist(s))               'Celestial Season'
'TPUB' (Publisher)                                  'Displeased Records'
'TRCK' (Track number/Position in set)               '04'
'TSO2'                                              'Celestial Season'
'TSOP' (Performer sort order)                       'Celestial Season'
'TXXX:#Helium Album Artist Sort Order'              'Celestial Season'
'TXXX:#Helium Custom Field 1'                       '1990s'
'TXXX:#Helium Custom Field 3'                       'Dutch'
'TXXX:#Helium Obscure'                              '178'
'TXXX:ACCURATERIPCOUNT'                             '0'
'TXXX:ACCURATERIPCOUNTALLOFFSETS'                   '4'
'TXXX:ACCURATERIPCOUNTWITHOFFSET'                   '4'
'TXXX:ACCURATERIPCRC'                               'fc83ea8b'
'TXXX:ACCURATERIPID'                                '0004b479-0015e884-3904ee05'
'TXXX:ACCURATERIPOFFSET'                            '+48'
'TXXX:ACCURATERIPTOTAL'                             '7'
'TXXX:ARTISTCOUNTRY'                                'NL, Gelderland, Nijmegen'
'TXXX:AccurateRipDiscId'                            '005-0004b479-0015e884-3904ee05-04'
'TXXX:Acoustid Id'                                  '58077847-8a8b-4fac-b9e5-8cd284ccbfb9'
'TXXX:CATALOGNUMBER'                                'D00043'
'TXXX:MD5AUDIO'                                     '932896ad91151b8b97bc17e2ae57bfb0'
'TXXX:MusicBrainz Album Artist Id'                  'a4834f89-5224-4dca-a510-9f547a363da7'
'TXXX:MusicBrainz Album Id'                         '9ed2c4b6-a368-4c94-8e32-282ebbf634d8'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        'a4834f89-5224-4dca-a510-9f547a363da7'
'TXXX:MusicBrainz Release Group Id'                 '84c2b3c9-b578-3467-bdc6-ad97b5f52031'
'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:STYLES'                                       'Doom Metal; Stoner Rock'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['death doom metal', 'stoner rock', 'stoner metal', 'doom metal', 'metal']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+17.21 dB'
'TXXX:replaygain_track_peak'                        '0.055921'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8abd88ed-f2e9-459c-8b44-7993288ad36f')

========================== row from database ==========================
                                              'id'  1400335
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Celestial Season - 1995b Sonic Orb (EP)/04. King Lizard.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  444
                                           'genre'  eid-metal-stoner
                                        'filesize'  17782154
                                           'mtime'  1620311495
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 1995b 04. eid metal stoner
                                      'tag_artist'  Celestial Season
                                     'tag_release'  Sonic Orb (EP)
                                       'tag_title'  King Lizard
                                             'bpm'  141.1
                                    'search_title'  'king':1 'lizard':2
                                   'search_artist'  'celestial':1 'season':2
                                  'search_release'  'ep':3,4 'orb':2 'sonic':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '04':4,5 '1995b':3 'eid':6 'metal':7 'stoner':8
                                    'search_combo'  '00dwimp':9 '00metal':10 '04':12,13 '1995b':11 'celestial':3B 'eid':14 'ep':7C,8C 'king':1A 'lizard':2A 'metal':15 'orb':6C 'season':4B 'sonic':5C 'stoner':16
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-chart-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['death doom metal', 'stoner rock', 'stoner metal', 'doom metal', 'metal']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311495.1947935  (2021-05-06 16:31:35)
                             'size'  17782154