======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  'Yoko Kanno'
                                     'text_people'  ''
                                         'release'  'Cowboy Bebop: CD-Box (disc 2)'
                                           'title'  'Waltz for Zizi'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '97.365'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cowboy Bebop: CD-Box (disc 2)'
'TBPM' (BPM (beats per minute))                     '97.365'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Waltz for Zizi'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Yoko Kanno'
'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'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
'TXXX:q-bass'                                       '4'
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.55 dB'
'TXXX:replaygain_track_peak'                        '0.737395'

========================== row from database ==========================
                                              'id'  260476
                                            'path'  /data/Music/Bulk/0soundtrack/Yoko Kanno/MBZ;#Yoko Kanno;#Cowboy Bebop CD-Box (disc 2);#14;#Waltz for Zizi.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  soundtrack-video
                                        'filesize'  3355490
                                           'mtime'  1676151574
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack MBZ;#Yoko Kanno;#Cowboy 2);#14;#Waltz soundtrack video
                                      'tag_artist'  Yoko Kanno
                                     'tag_release'  Cowboy Bebop: CD-Box (disc 2)
                                       'tag_title'  Waltz for Zizi
                                             'bpm'  97.365
                                    'search_title'  'for':2 'waltz':1 'zizi':3
                                   'search_artist'  'kanno':2 'yoko':1
                                  'search_release'  '2':9,10 'bebop':2,3 'box':5 'cd':4 'cdbox':6 'cowboy':1 'disc':7,8
                                     'search_rest'  '0soundtrack':1 '14':11,14 '2':10,13 'cowboy':7,9 'kanno':6,8 'mbz':2,4 'soundtrack':16 'video':17 'waltz':12,15 'yoko':3,5
                                    'search_combo'  '0soundtrack':16 '14':26,29 '2':14C,15C,25,28 'bebop':7C,8C 'box':10C 'cd':9C 'cdbox':11C 'cowboy':6C,22,24 'disc':12C,13C 'for':2A 'kanno':5B,21,23 'mbz':17,19 'soundtrack':31 'video':32 'waltz':1A,27,30 'yoko':4B,18,20 'zizi':3A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676151574.2434733  (2023-02-11 22:39:34)
                             'size'  3355490