======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '471'
                                          'artist'  'Obscure Sphinx'
                                     'text_people'  ''
                                         'release'  'Void Mother'
                                           'title'  'Lunar Caustic'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'polish', 'sludge metal', 'post metal', 'experimental']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '9'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '115.458'
                                             'key'  '8A'
                                        'acoustid'  'fc12d442-8759-4f78-96df-d763bc9e59d1'
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Void Mother'
'TBPM' (BPM (beats per minute))                     '115.458'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-sludge or grind'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-11-15'
'TIT2' (Title/songname/content description)         'Lunar Caustic'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Obscure Sphinx'
'TPE2' (Band/orchestra/accompaniment)               'Obscure Sphinx'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '1/9'
'TSO2'                                              'Obscure Sphinx'
'TSOP' (Performer sort order)                       'Obscure Sphinx'
'TXXX:Acoustid Id'                                  'fc12d442-8759-4f78-96df-d763bc9e59d1'
'TXXX:MusicBrainz Album Artist Id'                  '1ba3e800-506a-4091-af45-d30046327505'
'TXXX:MusicBrainz Album Id'                         '267186eb-f987-419f-a8df-6908f68deafb'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1ba3e800-506a-4091-af45-d30046327505'
'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'                                   ['sludge', 'polish', 'sludge metal', 'post metal', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.369536'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'533788c9-d28e-4f78-8d2e-7c9ce05aba42')
'USLT::eng'                                         ('Nerveless tissue, no impulse, horridly it pressures the scull\r\n'
 'Flowing out with thoughts through orbits\r\n'
 'The shortest way \r\n'
 'To cut aggravating rumble, to strangle pulsation\r\n'
 'Till it crushes all\r\n'
 'Invites the void\r\n'
 'Invites the silence\r\n'
 '\r\n'
 'Proud flesh\r\n'
 'Tear it all out, tear it now, tear before it’s too late\r\n'
 '\r\n'
 'Proud flesh\r\n'
 'Don’t let it grow, don’t let go, never let it steam\r\n'
 '\r\n'
 'Proud flesh\r\n'
 'Scratch out with nails, scratch it all, let it bleed away\r\n'
 '\r\n'
 'Proud flesh\r\n'
 'Throw it away, watch it die, before it starts to live\r\n'
 '\r\n'
 'Rampant thoughts intertwine \r\n'
 'Too many pullulated\r\n'
 'No turning back\r\n'
 'All said and done\r\n'
 'Hide in the corner and punch the empty space\r\n'
 '\r\n'
 'It is so warm, I feel tranquility\r\n'
 'It feels so warm, I feel tranquility\r\n'
 'May have all been just a bad dream\r\n'
 'May have all been a hallucination\r\n'
 'Maybe I just forgot the bitter taste\r\n'
 '\r\n'
 'No…\r\n'
 '\r\n'
 'Don’t you save me')

========================== row from database ==========================
                                              'id'  1399505
                                            'path'  /data/Music/Bulk/00dwimp/00metal/obscure sphinx - 2013 - void mother/01 - Lunar Caustic.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  471
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  19102866
                                           'mtime'  1620310868
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal obscure sphinx 2013 void mother 01 eid metal sludge or grind
                                      'tag_artist'  Obscure Sphinx
                                     'tag_release'  Void Mother
                                       'tag_title'  Lunar Caustic
                                             'bpm'  115.458
                                    'search_title'  'caustic':2 'lunar':1
                                   'search_artist'  'obscure':1 'sphinx':2
                                  'search_release'  'mother':2 'void':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2013':5 'eid':8 'grind':12 'metal':9 'mother':7 'obscure':3 'or':11 'sludge':10 'sphinx':4 'void':6
                                    'search_combo'  '00dwimp':7 '00metal':8 '2013':11 'caustic':2A 'eid':14 'grind':18 'lunar':1A 'metal':15 'mother':6C,13 'obscure':3B,9 'or':17 'sludge':16 'sphinx':4B,10 'void':5C,12
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           '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-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['sludge', 'polish', 'sludge metal', 'post metal', 'experimental']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310867.7397687  (2021-05-06 16:21:07)
                             'size'  19102866