======================== unified (from filesystem) ========================
                                         'bitrate'  '143.855'
                                        'duration'  '223'
                                          'artist'  'Morano'
                                     'text_people'  ''
                                         'release'  'Volver A Empezar'
                                           'title'  'El loco flamenco (reggaeton version)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['melodic rock', 'melodic hard rock', 'hard rock', 'aor']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-folk-rock'
                                             'bpm'  '99.420'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Volver A Empezar'
'TBPM' (BPM (beats per minute))                     '99.420'
'TCON' (Content type, a.k.a. Genre)                 'ifs-folk-rock'
'TIT2' (Title/songname/content description)         'El loco flamenco (reggaeton version)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Morano'
'TRCK' (Track number/Position in set)               '14'
'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:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['melodic rock', 'melodic hard rock', 'hard rock', 'aor']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.399866'

========================== row from database ==========================
                                              'id'  1534639
                                            'path'  /data/Music/Bulk/00poprockelectronic/Morano__Volver A Empezar__14 - El loco flamenco (reggaeton version).mp3
                                         'working'  None
                                         'bitrate'  143
                                    'duration_sec'  223
                                           'genre'  ifs-folk-rock
                                        'filesize'  4027147
                                           'mtime'  1637330750
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Morano__Volver Empezar__14 ifs folk rock
                                      'tag_artist'  Morano
                                     'tag_release'  Volver A Empezar
                                       'tag_title'  El loco flamenco (reggaeton version)
                                             'bpm'  99.42
                                    'search_title'  'el':1 'flamenco':3 'loco':2 'reggaeton':4,5 'version':6,7
                                   'search_artist'  'morano':1
                                  'search_release'  'a':2 'empezar':3 'volver':1
                                     'search_rest'  '00poprockelectronic':1 '14':5 'empezar':4 'folk':7 'ifs':6 'morano':2 'rock':8 'volver':3
                                    'search_combo'  '00poprockelectronic':12 '14':16 'a':10C 'el':1A 'empezar':11C,15 'flamenco':3A 'folk':18 'ifs':17 'loco':2A 'morano':8B,13 'reggaeton':4A,5A 'rock':19 'version':6A,7A 'volver':9C,14
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['melodic rock', 'melodic hard rock', 'hard rock', 'aor']
                                        'tag_date'  
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1637330750.1643486  (2021-11-19 15:05:50)
                             'size'  4027147