======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '158'
                                          'artist'  'unknown Jap.'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tsuki'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'Q-PLAY-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-4', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '19'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '96.209'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000008D8 0000059A 00007677 00003E1A 00003543 0000BEEB 000072A4 00006FD9 '
 '00024505 0001C578')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008DC 00000000006ADE14 00000000 003A1B1B 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'F3099713+184324+19+150+4587+12572+22034+30529+39219+47703+48004+51837+61987+75552+88009+97007+105828+106373+118284+133747+149096+161365'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '15'
'TBPM' (BPM (beats per minute))                     '96.209'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Tsuki'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'unknown Jap.'
'TRCK' (Track number/Position in set)               '15/19'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.16 dB'
'TXXX:replaygain_track_peak'                        '0.324856'

========================== row from database ==========================
                                              'id'  766404
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/unknown Jap. - Tsuki.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  158
                                           'genre'  set-th-sex
                                        'filesize'  3815171
                                           'mtime'  1621428766
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy set th sex
                                      'tag_artist'  unknown Jap.
                                     'tag_release'  None
                                       'tag_title'  Tsuki
                                             'bpm'  96.209
                                    'search_title'  'tsuki':1
                                   'search_artist'  'jap':2,3 'unknown':1
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'set':5 'sex':7 'sexy':4 'th':6 'themes':3
                                    'search_combo'  '0novelty':6 '0playlists':5 'jap':3B,4B 'set':9 'sex':11 'sexy':8 'th':10 'themes':7 'tsuki':1A 'unknown':2B
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-PLAY-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621428765.8491366  (2021-05-19 14:52:45)
                             'size'  3815171