======================== unified (from filesystem) ========================
                                         'bitrate'  '226.925'
                                        'duration'  '288'
                                          'artist'  'Moi Dix Mois'
                                     'text_people'  ''
                                         'release'  'Nocturnal Opera'
                                           'title'  'The Prophet'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']"
                                     'discogstags'  "['goth rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '106.363'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00002C27 00002AF5 00008095'
'COMM:iTunNORM:eng'                                 (' 00002C27 00002AF5 00008095 00007134 0002456B 0001F5CE 00008000 00008000 '
 '00007213 000071FC')
'COMM:iTunPGAP:eng'                                 '1'
'TALB' (Album/Movie/Show title)                     'Nocturnal Opera'
'TBPM' (BPM (beats per minute))                     '106.363'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'Lame 3.90.3'
'TIT2' (Title/songname/content description)         'The Prophet'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Moi Dix Mois'
'TPE2' (Band/orchestra/accompaniment)               'Moi Dix Mois'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['goth rock', 'rock']
'TXXX:lastfmtags'                                   ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.48 dB'
'TXXX:replaygain_track_peak'                        '0.347421'

========================== row from database ==========================
                                              'id'  933757
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Moi dix Mois/[2004] Nocturnal Opera/08 The Prophet.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  288
                                           'genre'  loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  8442090
                                           'mtime'  1621695831
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia dix [2004] 08 loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  Moi Dix Mois
                                     'tag_release'  Nocturnal Opera
                                       'tag_title'  The Prophet
                                             'bpm'  106.363
                                    'search_title'  'prophet':2 'the':1
                                   'search_artist'  'dix':2 'moi':1 'mois':3
                                  'search_release'  'nocturnal':1 'opera':2
                                     'search_rest'  '00asia':1 '2004':3,4 'asia':6 'dix':2 'japan':7 'jrock':8 'loc':5 'pl':13 'sced':14 'set':10,12 'visualkei':9,11
                                    'search_combo'  '00asia':8 '2004':10,11 'asia':13 'dix':4B,9 'japan':14 'jrock':15 'loc':12 'moi':3B 'mois':5B 'nocturnal':6C 'opera':7C 'pl':20 'prophet':2A 'sced':21 'set':17,19 'the':1A 'visualkei':16,18
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['goth rock', 'rock']

============================== file details ==============================
                                           'mtime'  1621695830.512647  (2021-05-22 17:03:50)
                             'size'  8442090