======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '409'
                                          'artist'  'SADS'
                                     'text_people'  ''
                                         'release'  'GREATEST HITS -BEST OF 5 YEARS-'
                                           'title'  '}\x12'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['visual kei', 'jrock', 'post punk', 'japanese', 'rock', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-visualkei'
                                             'bpm'  '109.943'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'F\x00+\x009\x006\x00+\x005\x00C\x00D\x000\x00+\x009\x005\x00F\x001\x00+\x00C\x007\x00F\x00B\x00+\x001\x001\x002\x005\x006\x00+\x001\x007\x001\x00F\x00D\x00+\x001\x00E\x000\x004\x008\x00+\x002\x001\x004\x00A\x005\x00+\x002\x006\x00D\x00A\x006\x00+\x002\x00C\x00B\x002\x003\x00+\x003\x001\x000\x00A\x001\x00+\x003\x005\x002\x001\x004\x00+\x003\x00D\x002\x004\x00D\x00+\x004\x003\x009\x00A\x00B\x00+\x004\x00B\x001\x007\x00E\x00+\x004\x00F\x004\x00E\x00D\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'GREATEST HITS -BEST OF 5 YEARS-'
'TBPM' (BPM (beats per minute))                     '109.943'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-visualkei']
'TIT2' (Title/songname/content description)         '}\x12'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'SADS'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['visual kei', 'jrock', 'post punk', 'japanese', 'rock', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.406643'

========================== row from database ==========================
                                              'id'  465123
                                            'path'  /data/Music/Bulk/00localcharacter/SADS/SADS - GREATEST HITS - 14 - èyëÇ.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  409
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-visualkei
                                        'filesize'  9820160
                                           'mtime'  1637020012
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 14 èyëÇ loc asia japan;loc asia japan jrock visualkei
                                      'tag_artist'  SADS
                                     'tag_release'  GREATEST HITS -BEST OF 5 YEARS-
                                       'tag_title'  }
                                             'bpm'  109.943
                                    'search_title'  
                                   'search_artist'  'sads':1
                                  'search_release'  '5':6 'best':3,4 'greatest':1 'hits':2 'of':5 'years':7,8
                                     'search_rest'  'asia':4 'c':13 'eye':12 'eyec':1,2 'japan':5,7,9 'jrock':10 'loc':3,6,8 'visualkei':11
                                    'search_combo'  '5':7C 'asia':13 'best':4C,5C 'c':22 'eye':21 'eyec':10,11 'greatest':2C 'hits':3C 'japan':14,16,18 'jrock':19 'loc':12,15,17 'of':6C 'sads':1B 'visualkei':20 'years':8C,9C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['visual kei', 'jrock', 'post punk', 'japanese', 'rock', 'j rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637020012.4800146  (2021-11-16 00:46:52)
                             'size'  9820160