======================== unified (from filesystem) ========================
                                         'bitrate'  '161.237'
                                        'duration'  '116'
                                          'artist'  'III'
                                     'text_people'  'Luna Umegaki, Ippo Yamada'
                                         'release'  'Mega Man Zero Collection - Mega Man Zero 3'
                                           'title'  "Labo -System-a-Ciel- (Ciel's Mini-Game)"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['video game music', 'soundtrack', 'game', 'rockman', 'megaman']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '40'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '119.971'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '2SF Emulated Music rip'
'COMM:ID3v1 Comment:XXX'                            '2SF Emulated Music rip'
'TALB' (Album/Movie/Show title)                     'Mega Man Zero Collection - Mega Man Zero 3'
'TBPM' (BPM (beats per minute))                     '119.971'
'TCOM' (Composer)                                   'Luna Umegaki, Ippo Yamada'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TCOP' (Copyright message)                          'Capcom Co.,Ltd, Inti Creates Co.,Ltd.'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'Splashman'
'TIT2' (Title/songname/content description)         "Labo -System-a-Ciel- (Ciel's Mini-Game)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'III'
'TPE2' (Band/orchestra/accompaniment)               'III'
'TRCK' (Track number/Position in set)               '40'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   ['video game music', 'soundtrack', 'game', 'rockman', 'megaman']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.647621'

========================== row from database ==========================
                                              'id'  1504040
                                            'path'  /data/Music/Bulk/0soundtrack/Mega Man Zero 3/40 - Labo -System-a-Ciel- (Ciel_s Mini-Game).mp3
                                         'working'  None
                                         'bitrate'  161
                                    'duration_sec'  116
                                           'genre'  soundtrack-game
                                        'filesize'  2353258
                                           'mtime'  1636911895
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 40 (Ciel_s soundtrack game
                                      'tag_artist'  III
                                     'tag_release'  Mega Man Zero Collection - Mega Man Zero 3
                                       'tag_title'  Labo -System-a-Ciel- (Ciel's Mini-Game)
                                             'bpm'  119.971
                                    'search_title'  'a':3 'ciel':4,6 'ciels':8 'game':10 'labo':1 'mini':9 'minigame':11 's':7 'system':2 'systemaciel':5
                                   'search_artist'  'iii':1
                                  'search_release'  '3':5 'collection':4 'man':2 'mega':1 'zero':3
                                     'search_rest'  '0soundtrack':1 '40':2 'ciel':3,5 'game':8 's':4,6 'soundtrack':7
                                    'search_combo'  '0soundtrack':18 '3':17C '40':19 'a':3A 'ciel':4A,6A,20,22 'ciels':8A 'collection':16C 'game':10A,25 'iii':12B 'labo':1A 'man':14C 'mega':13C 'mini':9A 'minigame':11A 's':7A,21,23 'soundtrack':24 'system':2A 'systemaciel':5A 'zero':15C
                                    'tag_tracknum'  40
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['video game music', 'soundtrack', 'game', 'rockman', 'megaman']
                                        'tag_date'  2010
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1636911894.5642166  (2021-11-14 18:44:54)
                             'size'  2353258