======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '192'
                                          'artist'  'Absu'
                                     'text_people'  ''
                                         'release'  'Barathrum: V.I.T.R.I.O.L.'
                                           'title'  'An Equinox of Fathomless Disheartenment'
                                           '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-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['thrash metal', 'blackened thrash metal', 'black metal', 'death metal', "
 "'black thrash metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '139.5'
                                             'key'  '2A'
                                        'acoustid'  '964b07ad-203e-4803-9221-33d24e80dd55'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Barathrum: V.I.T.R.I.O.L.'
'TBPM' (BPM (beats per minute))                     '139.5'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'An Equinox of Fathomless Disheartenment'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Absu'
'TPE2' (Band/orchestra/accompaniment)               'Absu'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Osmose Productions/SPV GmbH'
'TRCK' (Track number/Position in set)               '3/10'
'TSO2'                                              'Absu'
'TSOP' (Performer sort order)                       'Absu'
'TXXX:ASIN'                                         'B00002624U'
'TXXX:Acoustid Id'                                  '964b07ad-203e-4803-9221-33d24e80dd55'
'TXXX:BARCODE'                                      '4001617203026'
'TXXX:CATALOGNUMBER'                                'OPCD 020 Ltd/SPV 084-20302 CD'
'TXXX:DISCOGS_ARTIST_ID'                            '256011'
'TXXX:DISCOGS_CATALOG'                              'OPCD 020 Ltd'
'TXXX:DISCOGS_COUNTRY'                              'France'
'TXXX:DISCOGS_LABEL'                                'Osmose Productions'
'TXXX:DISCOGS_LABEL_ID'                             '24512'
'TXXX:DISCOGS_MASTER_RELEASE_ID'                    '43798'
'TXXX:DISCOGS_RATING'                               '4.33'
'TXXX:DISCOGS_RELEASED'                             '1997'
'TXXX:DISCOGS_RELEASE_ID'                           '368977'
'TXXX:DISCOGS_VOTES'                                '75'
'TXXX:MusicBrainz Album Artist Id'                  'e4d0504d-a0cc-486e-9f8f-32da470698a5'
'TXXX:MusicBrainz Album Id'                         '1d2612f8-bdeb-436e-a364-1d71c972dc5d'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e4d0504d-a0cc-486e-9f8f-32da470698a5'
'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:STYLE'                                        'Black Metal'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['thrash metal',
 'blackened thrash metal',
 'black metal',
 'death metal',
 'black thrash metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.439297'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bbfe46bb-640d-4747-953b-c243535fb72b')

========================== row from database ==========================
                                              'id'  1401769
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Absu - Barathrum V.I.T.R.I.O.L. (1997)/03 - an equinox of fathomtless disheartenment.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  192
                                           'genre'  eid-metal-death
                                        'filesize'  7726034
                                           'mtime'  1620301640
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death (1997) 03 an equinox fathomtless disheartenment eid metal death
                                      'tag_artist'  Absu
                                     'tag_release'  Barathrum: V.I.T.R.I.O.L.
                                       'tag_title'  An Equinox of Fathomless Disheartenment
                                             'bpm'  139.5
                                    'search_title'  'an':1 'disheartenment':5 'equinox':2 'fathomless':4 'of':3
                                   'search_artist'  'absu':1
                                  'search_release'  'barathrum':1,2 'i':4,7 'l':9 'o':8 'r':6 't':5 'v':3 'vitriol':10
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 '1997':4,5 'an':6 'death':12 'disheartenment':9 'eid':10 'equinox':7 'fathomtless':8 'metal':11
                                    'search_combo'  '00death':19 '00dwimp':17 '00metal':18 '1997':20,21 'absu':6B 'an':1A,22 'barathrum':7C,8C 'death':28 'disheartenment':5A,25 'eid':26 'equinox':2A,23 'fathomless':4A 'fathomtless':24 'i':10C,13C 'l':15C 'metal':27 'o':14C 'of':3A 'r':12C 't':11C 'v':9C 'vitriol':16C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             '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-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['thrash metal', 'blackened thrash metal', 'black metal', 'death metal', 'black thrash metal']
                                        'tag_date'  1997
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301639.7900615  (2021-05-06 13:47:19)
                             'size'  7726034