======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '263'
                                          'artist'  'Moonspell'
                                     'text_people'  ''
                                         'release'  'Under the Moonspell'
                                           'title'  'Opus Diabolicum (Andamento III / Instrumental Compendyum)'
                                           '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-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'black metal', 'doom metal', 'dark metal', 'gothic metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '5'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '121.264'
                                             'key'  '9A'
                                        'acoustid'  '910d9013-4ba4-4cfe-887e-24f339165158'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Under the Moonspell'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Opus Diabolicum (Andamento III / Instrumental Compendyum)'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Moonspell'
'TPE2' (Band/orchestra/accompaniment)               'Moonspell'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Adipocere Records'
'TRCK' (Track number/Position in set)               '4/5'
'TSO2'                                              'Moonspell'
'TSOP' (Performer sort order)                       'Moonspell'
'TXXX:Acoustid Id'                                  '910d9013-4ba4-4cfe-887e-24f339165158'
'TXXX:BARCODE'                                      '3700132600211'
'TXXX:CATALOGNUMBER'                                'CD AR 021'
'TXXX:MusicBrainz Album Artist Id'                  '386b19c6-a3d2-414a-bef2-c178572b1cbe'
'TXXX:MusicBrainz Album Id'                         '4592e735-ac24-4bb9-82e2-601f6eec4dc8'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '386b19c6-a3d2-414a-bef2-c178572b1cbe'
'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'                                   ['metal', 'black metal', 'doom metal', 'dark metal', 'gothic metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+5.18 dB'
'TXXX:replaygain_track_peak'                        '0.356058'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1c6a6163-4987-449d-89c6-f05890a33dfe')

========================== row from database ==========================
                                              'id'  1390982
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Moonspell/1994 - Under the moonspell (ep)/04 - opus diabolicum (andamento iii).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  263
                                           'genre'  eid-metal-black
                                        'filesize'  6328682
                                           'mtime'  1620301731
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 1994 moonspell (ep) 04 opus diabolicum (andamento iii) eid metal black
                                      'tag_artist'  Moonspell
                                     'tag_release'  Under the Moonspell
                                       'tag_title'  Opus Diabolicum (Andamento III / Instrumental Compendyum)
                                             'bpm'  121.264
                                    'search_title'  'andamento':3,4 'compendyum':7,8 'diabolicum':2 'iii':5 'instrumental':6 'opus':1
                                   'search_artist'  'moonspell':1
                                  'search_release'  'moonspell':3 'the':2 'under':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '1994':3 'andamento':9,10 'black':15 'diabolicum':8 'eid':13 'ep':5,6 'iii':11,12 'metal':14 'moonspell':4 'opus':7
                                    'search_combo'  '00dwimp':13 '00metal':14 '1994':15 'andamento':3A,4A,21,22 'black':27 'compendyum':7A,8A 'diabolicum':2A,20 'eid':25 'ep':17,18 'iii':5A,23,24 'instrumental':6A 'metal':26 'moonspell':9B,12C,16 'opus':1A,19 'the':11C 'under':10C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'black metal', 'doom metal', 'dark metal', 'gothic metal']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301730.5823984  (2021-05-06 13:48:50)
                             'size'  6328682