======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '219'
                                          'artist'  'phat'
                                     'text_people'  ''
                                         'release'  '-色- [siki]'
                                           'title'  'WHAT'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['free jazz', 'jazz', 'avant garde', 'hip hop', 'improvisation']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;prerock-jb-jazz-unsorted;set-pl-sced'
                                             'bpm'  '113.708'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000F93 00000EEC 000061B6'
'COMM:iTunNORM:eng'                                 (' 00000F93 00000EEC 000061B6 00005726 00013897 00013897 00008000 00008000 '
 '00002755 00002755')
'TALB' (Album/Movie/Show title)                     '-色- [siki]'
'TBPM' (BPM (beats per minute))                     '113.708'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'prerock-jb-jazz-unsorted', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'WHAT'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'phat'
'TPE2' (Band/orchestra/accompaniment)               'phat'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['free jazz', 'jazz', 'avant garde', 'hip hop', 'improvisation']
'TXXX:other'                                        '2002'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.393681'

========================== row from database ==========================
                                              'id'  1384858
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/phat/[2002] -色- [siki]/07 WHAT WHAT WHAT.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  219
                                           'genre'  loc-asia-japan;prerock-jb-jazz-unsorted;set-pl-sced
                                        'filesize'  5279395
                                           'mtime'  1620537958
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country [2002] 07 loc asia japan;prerock jb jazz unsorted;set pl sced
                                      'tag_artist'  phat
                                     'tag_release'  -色- [siki]
                                       'tag_title'  WHAT
                                             'bpm'  113.708
                                    'search_title'  'what':1
                                   'search_artist'  'phat':1
                                  'search_release'  'siki':3,4 '色':1,2
                                     'search_rest'  '2002':5,6 'asia':8 'country':4 'exotica':2 'japan':9,11 'jazz':1 'jb':13 'loc':7 'oldies':3 'pl':18 'prerock':10,12 'sced':19 'set':15,17 'unsorted':14,16
                                    'search_combo'  '2002':11,12 'asia':14 'country':10 'exotica':8 'japan':15,17 'jazz':7 'jb':19 'loc':13 'oldies':9 'phat':2B 'pl':24 'prerock':16,18 'sced':25 'set':21,23 'siki':5C,6C 'unsorted':20,22 'what':1A '色':3C,4C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['free jazz', 'jazz', 'avant garde', 'hip hop', 'improvisation']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537958.1110249  (2021-05-09 07:25:58)
                             'size'  5279395