======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '349'
                                          'artist'  'Yoko Kanno'
                                     'text_people'  ''
                                         'release'  'Cowboy Bebop OST 3: Blue'
                                           'title'  'Ave Maria'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '141.216'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cowboy Bebop OST 3: Blue'
'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Ave Maria'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yoko Kanno'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.575716'

========================== row from database ==========================
                                              'id'  262301
                                            'path'  /data/Music/Bulk/0soundtrack/Yoko Kanno/MBZ;#Yoko Kanno;#Cowboy Bebop Blue;#11;#Ave Maria.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  349
                                           'genre'  soundtrack-video
                                        'filesize'  8386047
                                           'mtime'  1676151560
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack MBZ;#Yoko Kanno;#Cowboy Blue;#11;#Ave soundtrack video
                                      'tag_artist'  Yoko Kanno
                                     'tag_release'  Cowboy Bebop OST 3: Blue
                                       'tag_title'  Ave Maria
                                             'bpm'  141.216
                                    'search_title'  'ave':1 'maria':2
                                   'search_artist'  'kanno':2 'yoko':1
                                  'search_release'  '3':4,5 'bebop':2 'blue':6 'cowboy':1 'ost':3
                                     'search_rest'  '0soundtrack':1 '11':11,14 'ave':12,15 'blue':10,13 'cowboy':7,9 'kanno':6,8 'mbz':2,4 'soundtrack':16 'video':17 'yoko':3,5
                                    'search_combo'  '0soundtrack':11 '11':21,24 '3':8C,9C 'ave':1A,22,25 'bebop':6C 'blue':10C,20,23 'cowboy':5C,17,19 'kanno':4B,16,18 'maria':2A 'mbz':12,14 'ost':7C 'soundtrack':26 'video':27 'yoko':3B,13,15
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676151560.4863229  (2023-02-11 22:39:20)
                             'size'  8386047