======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '226'
                                          'artist'  'hide with Spread Beaver'
                                     'text_people'  'hide'
                                         'release'  'Ja:Zoo'
                                           'title'  'FISH SCRATCH FEVER'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'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-1']")
                                      'lastfmtags'  "['rock', 'visual kei', 'hide', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '117.195'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '6'
'COMM:iTunNORM:eng'                                 (' 0000150E 00001591 00003DFF 00003ED3 0001ADDE 0001ADF5 00008000 00008000 '
 '0000755E 00007575')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000798 0000000000985458 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '860DB30A+263210+10+187+15495+32107+50497+67140+84612+101590+118037+140690+165480'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'TALB' (Album/Movie/Show title)                     'Ja:Zoo'
'TBPM' (BPM (beats per minute))                     '117.195'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '1998'
'TENC' (Encoded by)                                 'KooGooShii'
'TIT2' (Title/songname/content description)         'FISH SCRATCH FEVER'
'TKEY' (Initial key)                                '6A'
'TOPE' (Original artist(s)/performer(s))            'hide'
'TPE1' (Lead performer(s)/Soloist(s))               'hide with Spread Beaver'
'TRCK' (Track number/Position in set)               '6/10'
'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'                                   ['rock', 'visual kei', 'hide', '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'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.57 dB'
'TXXX:replaygain_track_peak'                        '0.467304'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.hide-city.com')

========================== row from database ==========================
                                              'id'  402298
                                            'path'  /data/Music/Bulk/00localcharacter/hide with Spread Beaver/Ja_Zoo/06 FISH SCRATCH FEVER.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  226
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  9068391
                                           'mtime'  1621625358
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Ja_Zoo 06 loc asia japan;loc asia japan jrock
                                      'tag_artist'  hide with Spread Beaver
                                     'tag_release'  Ja:Zoo
                                       'tag_title'  FISH SCRATCH FEVER
                                             'bpm'  117.195
                                    'search_title'  'fever':3 'fish':1 'scratch':2
                                   'search_artist'  'beaver':4 'hide':1 'spread':3 'with':2
                                  'search_release'  'ja':1 'jazoo':3 'zoo':2
                                     'search_rest'  'asia':4 'ja':1 'japan':5,7,9 'jrock':10 'loc':3,6,8 'zoo':2
                                    'search_combo'  'asia':14 'beaver':7B 'fever':3A 'fish':1A 'hide':4B 'ja':8C,11 'japan':15,17,19 'jazoo':10C 'jrock':20 'loc':13,16,18 'scratch':2A 'spread':6B 'with':5B 'zoo':9C,12
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', '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-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'visual kei', 'hide', 'japanese', 'j rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625357.574545  (2021-05-21 21:29:17)
                             'size'  9068391