======================== unified (from filesystem) ========================
                                         'bitrate'  '155.831'
                                        'duration'  '127'
                                          'artist'  '光田康典'
                                     'text_people'  ''
                                         'release'  'Chrono Trigger Orchestra Extra'
                                           'title'  'Chrono Trigger (Orchestra version)'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['video game music', 'soundtrack', 'instrumental', 'japanese', 'game music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '2'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '131.328'
                                             'key'  '10A'
                                        'acoustid'  'bca6d8aa-b75d-4d35-a93a-1b6355e51d17'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Chrono Trigger Orchestra Extra'
'TBPM' (BPM (beats per minute))                     '131.328'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-11-20'
'TIT2' (Title/songname/content description)         'Chrono Trigger (Orchestra version)'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'I07x'
'TPE2' (Band/orchestra/accompaniment)               '光田康典'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SQUARE ENIX'
'TRCK' (Track number/Position in set)               '1/2'
'TSO2'                                              'Mitsuda, Yasunori'
'TSOP' (Performer sort order)                       'Mitsuda, Yasunori'
'TXXX:Acoustid Id'                                  'bca6d8aa-b75d-4d35-a93a-1b6355e51d17'
'TXXX:CATALOGNUMBER'                                'CTEX-2008'
'TXXX:MusicBrainz Album Artist Id'                  '118bf512-9ce9-42a5-95e0-10359bb3e3ea'
'TXXX:MusicBrainz Album Id'                         '7f34ded9-addc-30a1-b93e-2395fb747ad5'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'promotion'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        '118bf512-9ce9-42a5-95e0-10359bb3e3ea'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['video game music', 'soundtrack', 'instrumental', 'japanese', 'game music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.527608'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'aad824cf-7559-49b1-b1c6-1e37d90f8152')

========================== row from database ==========================
                                              'id'  1109784
                                            'path'  /data/Music/Bulk/0soundtrack/Game Music/chronotrigger-chronotrigger(orchestraversion).mp3
                                         'working'  None
                                         'bitrate'  155
                                    'duration_sec'  127
                                           'genre'  soundtrack-game
                                        'filesize'  2491375
                                           'mtime'  1620333042
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Game Music chronotrigger chronotrigger(orchestraversion) soundtrack game
                                      'tag_artist'  光田康典
                                     'tag_release'  Chrono Trigger Orchestra Extra
                                       'tag_title'  Chrono Trigger (Orchestra version)
                                             'bpm'  131.328
                                    'search_title'  'chrono':1 'orchestra':3,4 'trigger':2 'version':5,6
                                   'search_artist'  '光田康典':1
                                  'search_release'  'chrono':1 'extra':4 'orchestra':3 'trigger':2
                                     'search_rest'  '0soundtrack':1 'chronotrigger':4,5 'chronotriggerorchestraversion':7 'game':2 'music':3 'orchestraversion':6 'soundtrack':8
                                    'search_combo'  '0soundtrack':12 'chrono':1A,8C 'chronotrigger':15,16 'chronotriggerorchestraversion':18 'extra':11C 'game':13 'music':14 'orchestra':3A,4A,10C 'orchestraversion':17 'soundtrack':19 'trigger':2A,9C 'version':5A,6A '光田康典':7B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['video game music', 'soundtrack', 'instrumental', 'japanese', 'game music']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333041.9409502  (2021-05-06 22:30:41)
                             'size'  2491375