======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '352'
                                          'artist'  'Tokyo Ska Paradise Orchestra'
                                     'text_people'  ''
                                         'release'  'World Famous'
                                           'title'  'Gatsii Bongo'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ska', 'japanese', 'jazz', 'j-ska', 'ska-jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '103.115'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'World Famous'
'TBPM' (BPM (beats per minute))                     '103.115'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Gatsii Bongo'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tokyo Ska Paradise Orchestra'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['ska', 'japanese', 'jazz', 'j-ska', 'ska-jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.738632'

========================== row from database ==========================
                                              'id'  1268635
                                            'path'  /data/Music/Bulk/00localcharacter/Artiste - Tokyo Ska Paradise Orchestra/1991 - WORLD FAMOUS/15 - Gatsii Bongo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  352
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  8471433
                                           'mtime'  1620522922
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Artiste 1991 WORLD FAMOUS 15 loc style reggae dub ska dancehall ska
                                      'tag_artist'  Tokyo Ska Paradise Orchestra
                                     'tag_release'  World Famous
                                       'tag_title'  Gatsii Bongo
                                             'bpm'  103.115
                                    'search_title'  'bongo':2 'gatsii':1
                                   'search_artist'  'orchestra':4 'paradise':3 'ska':2 'tokyo':1
                                  'search_release'  'famous':2 'world':1
                                     'search_rest'  '1991':2 'artiste':1 'dancehall':10 'dub':8 'famous':4 'loc':5 'reggae':7 'ska':9 'style':6 'world':3
                                    'search_combo'  '1991':10 'artiste':9 'bongo':2A 'dancehall':18 'dub':16 'famous':8C,12 'gatsii':1A 'loc':13 'orchestra':6B 'paradise':5B 'reggae':15 'ska':4B,17 'style':14 'tokyo':3B 'world':7C,11
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'japanese', 'jazz', 'j-ska', 'ska-jazz']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522921.6141424  (2021-05-09 03:15:21)
                             'size'  8471433