======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '82'
                                          'artist'  'Ekkaia'
                                     'text_people'  ''
                                         'release'  'Manos que estrechan planes de muerte y sometimiento'
                                           'title'  '%'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-4', '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'  "['screamo', 'hardcore', 'neocrust', 'crust', 'spanish']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '11'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '143.416'
                                             'key'  '10A'
                                        'acoustid'  '787973bf-c77a-4e48-9cd3-d7a91a29e4a5'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Manos que estrechan planes de muerte y sometimiento'
'TBPM' (BPM (beats per minute))                     '143.416'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         '%'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '82494'
'TPE1' (Lead performer(s)/Soloist(s))               'Ekkaia'
'TPE2' (Band/orchestra/accompaniment)               'Ekkaia'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/11'
'TSO2'                                              'Ekkaia'
'TSOP' (Performer sort order)                       'Ekkaia'
'TXXX:Acoustid Id'                                  '787973bf-c77a-4e48-9cd3-d7a91a29e4a5'
'TXXX:MusicBrainz Album Artist Id'                  'c177a0bc-02f8-412c-aeca-e3223487b2b4'
'TXXX:MusicBrainz Album Id'                         '3f731b52-3465-4671-a131-a784680936e0'
'TXXX:MusicBrainz Album Release Country'            'ES'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c177a0bc-02f8-412c-aeca-e3223487b2b4'
'TXXX:MusicBrainz Release Group Id'                 '70dec006-1b52-3de5-a82d-0407293bb7ea'
'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'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['screamo', 'hardcore', 'neocrust', 'crust', 'spanish']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'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'                        '-1.02 dB'
'TXXX:replaygain_track_peak'                        '0.356063'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ba9d480d-1457-44dc-9a2a-1397d3a02cef')

========================== row from database ==========================
                                              'id'  1401143
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Ekkaia/ekkaia - manos que estrechan planes de muerte y sometimiento/06 - no title.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  82
                                           'genre'  eid-metal
                                        'filesize'  1651942
                                           'mtime'  1620300638
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal ekkaia manos 06 title eid metal
                                      'tag_artist'  Ekkaia
                                     'tag_release'  Manos que estrechan planes de muerte y sometimiento
                                       'tag_title'  %
                                             'bpm'  143.416
                                    'search_title'  
                                   'search_artist'  'ekkaia':1
                                  'search_release'  'de':5 'estrechan':3 'manos':1 'muerte':6 'planes':4 'que':2 'sometimiento':8 'y':7
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':6 'ekkaia':3 'manos':4 'metal':7 'title':5
                                    'search_combo'  '00dwimp':10 '00metal':11 'de':6C 'eid':15 'ekkaia':1B,12 'estrechan':4C 'manos':2C,13 'metal':16 'muerte':7C 'planes':5C 'que':3C 'sometimiento':9C 'title':14 'y':8C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['screamo', 'hardcore', 'neocrust', 'crust', 'spanish']
                                        'tag_date'  2002
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620300638.4287307  (2021-05-06 13:30:38)
                             'size'  1651942