======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '168'
                                          'artist'  'Viaje a Ixtlan'
                                     'text_people'  ''
                                         'release'  'Vol. 1'
                                           'title'  'Rojo y negro'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'rock-gr-stoner'
                                             'bpm'  '119.5'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Vol. 1'
'TBPM' (BPM (beats per minute))                     '119.5'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-stoner'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-11-04'
'TIT2' (Title/songname/content description)         'Rojo y negro'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Viaje a Ixtlan'
'TPE2' (Band/orchestra/accompaniment)               'Viaje a Ixtlan'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              'Viaje a Ixtlan'
'TSOP' (Performer sort order)                       'Viaje a Ixtlan'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf54.63.104'
'TXXX:Artists'                                      'Viaje a Ixtlan'
'TXXX:MusicBrainz Album Artist Id'                  '28e34b0d-9c1d-4c03-949e-ac70753a9074'
'TXXX:MusicBrainz Album Id'                         '61ebcb95-2ec5-44cc-adaa-7653062a3178'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '28e34b0d-9c1d-4c03-949e-ac70753a9074'
'TXXX:MusicBrainz Release Group Id'                 'c9f101ab-a27a-4fee-8fa3-03fe99216e91'
'TXXX:MusicBrainz Release Track Id'                 '1310b06e-251c-468f-a1cd-8bdc41956443'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '2013'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '-1.64 dB'
'TXXX:replaygain_track_peak'                        '0.511488'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4e2912a1-7375-4734-b7c7-696050300724')

========================== row from database ==========================
                                              'id'  1419073
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Viaje a Ixtlan/03 - Rojo y negro.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  168
                                           'genre'  rock-gr-stoner
                                        'filesize'  2739341
                                           'mtime'  1636917555
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 03 rock stoner
                                      'tag_artist'  Viaje a Ixtlan
                                     'tag_release'  Vol. 1
                                       'tag_title'  Rojo y negro
                                             'bpm'  119.5
                                    'search_title'  'negro':3 'rojo':1 'y':2
                                   'search_artist'  'a':2 'ixtlan':3 'viaje':1
                                  'search_release'  '1':3 'vol':1,2
                                     'search_rest'  'garage':2 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  '1':9C 'a':5B 'garage':11 'ixtlan':6B 'negro':3A 'punk':10 'rock':14 'rojo':1A 'stoner':13 'surf':12 'viaje':4B 'vol':7C,8C 'y':2A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  []
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917555.2660635  (2021-11-14 20:19:15)
                             'size'  2739341