======================== unified (from filesystem) ========================
                                         'bitrate'  '192.624'
                                        'duration'  '592'
                                          'artist'  'Cirrha Niva'
                                     'text_people'  ''
                                         'release'  'Liaison de la Morte'
                                           'title'  'Melancolique'
                                           '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-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'dutch', 'progressive rock', 'progressive metal', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '7'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-progressive'
                                             'bpm'  '115.326'
                                             'key'  '9A'
                                        'acoustid'  '5ba7c367-e506-4c15-97a1-0eb93a81726f'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Liaison de la Morte'
'TBPM' (BPM (beats per minute))                     '115.326'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-progressive'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Melancolique'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cirrha Niva'
'TPE2' (Band/orchestra/accompaniment)               'Cirrha Niva'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/7'
'TSO2'                                              'Cirrha Niva'
'TSOP' (Performer sort order)                       'Cirrha Niva'
'TXXX:Acoustid Id'                                  '5ba7c367-e506-4c15-97a1-0eb93a81726f'
'TXXX:BARCODE'                                      '8716059999296'
'TXXX:MusicBrainz Album Artist Id'                  'c7888400-1973-449f-8523-6ab1a5137411'
'TXXX:MusicBrainz Album Id'                         '53663897-6b96-4e42-ab65-ffe8650111bb'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c7888400-1973-449f-8523-6ab1a5137411'
'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', 'dutch', 'progressive rock', 'progressive metal', 'rock']
'TXXX:original release date'                        ['2001', '2001']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                        '+1.92 dB'
'TXXX:replaygain_track_peak'                        '0.386514'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'44c34835-e71a-4527-888c-d61bdbf7bb49')

========================== row from database ==========================
                                              'id'  1392640
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Cirrha Niva - Liaison de la Morte/05 - Melancolique.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  592
                                           'genre'  eid-metal-progressive
                                        'filesize'  14260555
                                           'mtime'  1620310862
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 05 eid metal progressive
                                      'tag_artist'  Cirrha Niva
                                     'tag_release'  Liaison de la Morte
                                       'tag_title'  Melancolique
                                             'bpm'  115.326
                                    'search_title'  'melancolique':1
                                   'search_artist'  'cirrha':1 'niva':2
                                  'search_release'  'de':2 'la':3 'liaison':1 'morte':4
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4 'progressive':5
                                    'search_combo'  '00dwimp':8 '00metal':9 'cirrha':2B 'de':5C 'eid':10 'la':6C 'liaison':4C 'melancolique':1A 'metal':11 'morte':7C 'niva':3B 'progressive':12
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           '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-1', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'dutch', 'progressive rock', 'progressive metal', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310862.1832676  (2021-05-06 16:21:02)
                             'size'  14260555