======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '268'
                                          'artist'  'くるり'
                                     'text_people'  ''
                                         'release'  'NIKKI'
                                           'title'  'Birthday'
                                           '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-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['j pop', 'japanese', 'rock', 'japanese rock', 'alternative', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '92.772'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[Quruli]'
'COMM:ID3v1 Comment:XXX'                            '[Quruli]'
'COMM:iTunNORM:eng'                                 (' 000013BC 000010E7 00002FE7 00002E80 0003A9AE 0003A997 00007F99 00008000 '
 '0003829E 0001FBFE')
'TALB' (Album/Movie/Show title)                     'NIKKI'
'TBPM' (BPM (beats per minute))                     '92.772'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Birthday'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '268560'
'TPE1' (Lead performer(s)/Soloist(s))               'Quruli'
'TPE2' (Band/orchestra/accompaniment)               'くるり'
'TRCK' (Track number/Position in set)               '06'
'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:lastfmtags'                                   ['j pop', 'japanese', 'rock', 'japanese rock', 'alternative', 'j rock']
'TXXX:other'                                        '2005'
'TXXX:q-bass'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.451950'

========================== row from database ==========================
                                              'id'  925531
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Quruli/[2005] NIKKI/06 Birthday.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  268
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  6457857
                                           'mtime'  1637330096
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Quruli [2005] 06 loc asia japan;loc asia japan jrock
                                      'tag_artist'  くるり
                                     'tag_release'  NIKKI
                                       'tag_title'  Birthday
                                             'bpm'  92.772
                                    'search_title'  'birthday':1
                                   'search_artist'  'kururi':2 'くるり':1
                                  'search_release'  'nikki':1
                                     'search_rest'  '00asia':1 '2005':3,4 'asia':6 'japan':7,9,11 'jrock':12 'loc':5,8,10 'quruli':2
                                    'search_combo'  '00asia':5 '2005':7,8 'asia':10 'birthday':1A 'japan':11,13,15 'jrock':16 'kururi':3B 'loc':9,12,14 'nikki':4C 'quruli':6 'くるり':2B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-2']
                                      'lastfmtags'  ['j pop', 'japanese', 'rock', 'japanese rock', 'alternative', 'j rock']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330096.3883824  (2021-11-19 14:54:56)
                             'size'  6457857