======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '178'
                                          'artist'  'Ekkaia'
                                     'text_people'  ''
                                         'release'  'Demasiado tarde para pedir perdsn'
                                           'title'  'Convirtamos las palabras en fuego'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['screamo', 'hardcore', 'neocrust', 'crust', 'spanish']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '9'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '100.157'
                                             'key'  '10A'
                                        'acoustid'  '22b99b40-142f-456a-bb2c-e346581393b7'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            "CD'n'Go! Suite 2.00.945"
'TALB' (Album/Movie/Show title)                     'Demasiado tarde para pedir perdsn'
'TBPM' (BPM (beats per minute))                     '100.157'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Convirtamos las palabras en fuego'
'TKEY' (Initial key)                                '10A'
'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)               '4/9'
'TSO2'                                              'Ekkaia'
'TSOP' (Performer sort order)                       'Ekkaia'
'TXXX:Acoustid Id'                                  '22b99b40-142f-456a-bb2c-e346581393b7'
'TXXX:MusicBrainz Album Artist Id'                  'c177a0bc-02f8-412c-aeca-e3223487b2b4'
'TXXX:MusicBrainz Album Id'                         '40a9b3c8-5d4c-489c-9d2a-94124f20686d'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c177a0bc-02f8-412c-aeca-e3223487b2b4'
'TXXX:MusicBrainz Release Group Id'                 '685d7631-cc30-3902-b08f-5e15ed2d256c'
'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'                                       '2'
'TXXX:q-busy'                                       '4'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.312479'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b40c3038-1755-4b93-a3e2-bb7cb08cc20c')

========================== row from database ==========================
                                              'id'  1396332
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Ekkaia/ekkaia - demasiado tarde para pedir perdon/04ekkaia-convirtamos las palabras en fuego.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  178
                                           'genre'  eid-metal
                                        'filesize'  5716225
                                           'mtime'  1620300632
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal ekkaia demasiado perdon 04ekkaia convirtamos eid metal
                                      'tag_artist'  Ekkaia
                                     'tag_release'  Demasiado tarde para pedir perdsn
                                       'tag_title'  Convirtamos las palabras en fuego
                                             'bpm'  100.157
                                    'search_title'  'convirtamos':1 'en':4 'fuego':5 'las':2 'palabras':3
                                   'search_artist'  'ekkaia':1
                                  'search_release'  'demasiado':1 'para':3 'pedir':4 'perdsn':5 'tarde':2
                                     'search_rest'  '00dwimp':1 '00metal':2 '04ekkaia':6 'convirtamos':7 'demasiado':4 'eid':8 'ekkaia':3 'metal':9 'perdon':5
                                    'search_combo'  '00dwimp':12 '00metal':13 '04ekkaia':17 'convirtamos':1A,18 'demasiado':7C,15 'eid':19 'ekkaia':6B,14 'en':4A 'fuego':5A 'las':2A 'metal':20 'palabras':3A 'para':9C 'pedir':10C 'perdon':16 'perdsn':11C 'tarde':8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['screamo', 'hardcore', 'neocrust', 'crust', 'spanish']
                                        'tag_date'  2004
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620300631.684188  (2021-05-06 13:30:31)
                             'size'  5716225