======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '253'
                                          'artist'  'Porno Graffitti'
                                     'text_people'  ''
                                         'release'  'THUMPx'
                                           'title'  'Sister'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['j-rock', 'japanese', 'j-pop', 'anime', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '100.956'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00001046 00001094 000042B2 00004B45 0002BF65 0002BF4E 00008000 00007FF6 '
 '00002755 00030D40')
'TALB' (Album/Movie/Show title)                     'THUMPx'
'TBPM' (BPM (beats per minute))                     '100.956'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Sister'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Porno Graffitti'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['j-rock', 'japanese', 'j-pop', 'anime', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.397492'

========================== row from database ==========================
                                              'id'  329744
                                            'path'  /data/Music/Bulk/00localcharacter/Porno Graffitti/THUMPx/08 Sister.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  253
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  6078464
                                           'mtime'  1622821808
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 08 loc asia japan;loc asia japan jpop
                                      'tag_artist'  Porno Graffitti
                                     'tag_release'  THUMPx
                                       'tag_title'  Sister
                                             'bpm'  100.956
                                    'search_title'  'sister':1
                                   'search_artist'  'graffitti':2 'porno':1
                                  'search_release'  'thumpx':1
                                     'search_rest'  'asia':2 'japan':3,5,7 'jpop':8 'loc':1,4,6
                                    'search_combo'  'asia':6 'graffitti':3B 'japan':7,9,11 'jpop':12 'loc':5,8,10 'porno':2B 'sister':1A 'thumpx':4C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['j-rock', 'japanese', 'j-pop', 'anime', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821808.3208802  (2021-06-04 17:50:08)
                             'size'  6078464