======================== unified (from filesystem) ========================
                                         'bitrate'  '205.744'
                                        'duration'  '252'
                                          'artist'  'Guniw Tools'
                                     'text_people'  ''
                                         'release'  'Fickle Boon (2003)'
                                           'title'  "Ladybird's sleeping art"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '96.072'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'F910BC10'
'COMM:ID3v1 Comment:XXX'                            'F910BC10'
'COMM:iTunNORM:eng'                                 (' 00000D4F 00000E93 00003070 0000341A 0002422D 00026A0A 00007E9B 00008000 '
 '0002422D 000184B6')
'TALB' (Album/Movie/Show title)                     'Fickle Boon (2003)'
'TBPM' (BPM (beats per minute))                     '96.072'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "Ladybird's sleeping art"
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Guniw Tools'
'TRCK' (Track number/Position in set)               '6/16'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.82.01, LAME dll 3.93, 192 Kbit/s (ABR), Joint Stereo, High '
 'quality')
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.377042'

========================== row from database ==========================
                                              'id'  1504150
                                            'path'  /data/Music/Bulk/00localcharacter/Guniw Tools (2003.07.23) (album) Fickle Boon [vbr]/06 - Ladybird_s Sleeping Art.mp3
                                         'working'  None
                                         'bitrate'  205
                                    'duration_sec'  252
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  6499059
                                           'mtime'  1622821751
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter (2003.07.23) (album) [vbr] 06 Ladybird_s Sleeping Art loc asia japan;loc asia japan jpop
                                      'tag_artist'  Guniw Tools
                                     'tag_release'  Fickle Boon (2003)
                                       'tag_title'  Ladybird's sleeping art
                                             'bpm'  96.072
                                    'search_title'  'art':5 'ladybird':1 'ladybirds':3 's':2 'sleeping':4
                                   'search_artist'  'guniw':1 'tools':2
                                  'search_release'  '2003':3,4 'boon':2 'fickle':1
                                     'search_rest'  '07':2 '2003':1 '20030723':4 '23':3 'album':5,6 'art':12 'asia':14 'japan':15,17,19 'jpop':20 'ladybird':9 'loc':13,16,18 's':10 'sleeping':11 'vbr':7,8
                                    'search_combo'  '07':13 '2003':10C,11C,12 '20030723':15 '23':14 'album':16,17 'art':5A,23 'asia':25 'boon':9C 'fickle':8C 'guniw':6B 'japan':26,28,30 'jpop':31 'ladybird':1A,20 'ladybirds':3A 'loc':24,27,29 's':2A,21 'sleeping':4A,22 'tools':7B 'vbr':18,19
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['visual kei', 'j rock', 'japanese', 'experimental', 'angura kei']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622821750.7234576  (2021-06-04 17:49:10)
                             'size'  6499059