======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '217'
                                          'artist'  'くるり'
                                     'text_people'  ''
                                         'release'  'NIKKI'
                                           'title'  "(It's Only) R'n R Workshop!"
                                           '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-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['j pop', 'japanese', 'rock', 'japanese rock', 'alternative', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '125.393'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[Quruli]'
'COMM:ID3v1 Comment:XXX'                            '[Quruli]'
'COMM:iTunNORM:eng'                                 (' 00000DC0 00000CCA 0000294C 0000242F 0000C395 0000C395 00008000 00007E5F '
 '0001ADF5 0000C367')
'TALB' (Album/Movie/Show title)                     'NIKKI'
'TBPM' (BPM (beats per minute))                     '125.393'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "(It's Only) R'n R Workshop!"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Quruli'
'TPE2' (Band/orchestra/accompaniment)               'くるり'
'TRCK' (Track number/Position in set)               '13'
'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'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.448778'

========================== row from database ==========================
                                              'id'  1513516
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Quruli/[2005] NIKKI/13 (It_s Only) R_n R Workshop!.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  217
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  5237210
                                           'mtime'  1637330097
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Quruli [2005] 13 (It_s R_n loc asia japan;loc asia japan jrock
                                      'tag_artist'  くるり
                                     'tag_release'  NIKKI
                                       'tag_title'  (It's Only) R'n R Workshop!
                                             'bpm'  125.393
                                    'search_title'  'it':1 'its':3 'n':7 'only':4,5 'r':6,9 'rn':8 's':2 'workshop':10
                                   'search_artist'  'kururi':2 'くるり':1
                                  'search_release'  'nikki':1
                                     'search_rest'  '00asia':1 '2005':3,4 'asia':12 'it':5,7 'japan':13,15,17 'jrock':18 'loc':11,14,16 'n':10 'quruli':2 'r':9 's':6,8
                                    'search_combo'  '00asia':14 '2005':16,17 'asia':25 'it':1A,18,20 'its':3A 'japan':26,28,30 'jrock':31 'kururi':12B 'loc':24,27,29 'n':7A,23 'nikki':13C 'only':4A,5A 'quruli':15 'r':6A,9A,22 'rn':8A 's':2A,19,21 'workshop':10A 'くるり':11B
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', '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'  1637330097.1316457  (2021-11-19 14:54:57)
                             'size'  5237210