======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '168'
                                          'artist'  '椎名林檎'
                                     'text_people'  ''
                                         'release'  '唄ひ手冥利～其ノ壱～ [cover album]'
                                           'title'  '子守唄'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-JZFKS-2', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'Q-PLAY-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2-09'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted'
                                             'bpm'  '107.208'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000309 000002E4 00000AE7'
'COMM:iTunNORM:eng'                                 (' 00000309 000002E4 00000AE7 00000A56 0000EAA5 0000EAA5 00003F01 00003EC4 '
 '0002230E 0002230E')
'TALB' (Album/Movie/Show title)                     '唄ひ手冥利～其ノ壱～ [cover album]'
'TBPM' (BPM (beats per minute))                     '107.208'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-shibuyakei',
 'loc-asia-japan',
 'prerock-jb-jazz-unsorted']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         '子守唄'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiina Ringo & Tokyo Jihen'
'TPE2' (Band/orchestra/accompaniment)               '椎名林檎'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '2-09'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']
'TXXX:other'                                        '2002'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.404067'

========================== row from database ==========================
                                              'id'  923318
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shiina Ringo & Tokyo Jihen/[2002] 唄ひ手冥利～其ノ壱～ [cover album]/2-09 子守唄.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  168
                                           'genre'  loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted
                                        'filesize'  5429997
                                           'mtime'  1620574273
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Shiina Ringo & Tokyo Jihen [2002] 2 09 loc asia japan jrock shibuyakei;loc asia japan;prerock jb jazz unsorted
                                      'tag_artist'  椎名林檎
                                     'tag_release'  唄ひ手冥利～其ノ壱～ [cover album]
                                       'tag_title'  子守唄
                                             'bpm'  107.208
                                    'search_title'  '子守唄':1
                                   'search_artist'  '椎名林檎':1
                                  'search_release'  'album':7,8 'cover':5,6 '其no壱':4 '其ノ壱':2 '唄hi手冥利':3 '唄ひ手冥利':1
                                     'search_rest'  '00asia':1 '2':8 '2002':6,7 'asia':10 'japan':11,17,19 'jazz':22 'jb':21 'jihen':5 'jrock':12 'loc':9,14,16 'prerock':18,20 'ringo':3 'shibuyakei':13,15 'shiina':2 'tokyo':4 'unsorted':23
                                    'search_combo'  '00asia':11 '2':18 '2002':16,17 'album':9C,10C 'asia':20 'cover':7C,8C 'japan':21,27,29 'jazz':32 'jb':31 'jihen':15 'jrock':22 'loc':19,24,26 'prerock':28,30 'ringo':13 'shibuyakei':23,25 'shiina':12 'tokyo':14 'unsorted':33 '其no壱':6C '其ノ壱':4C '唄hi手冥利':5C '唄ひ手冥利':3C '子守唄':1A '椎名林檎':2B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620574272.7042508  (2021-05-09 17:31:12)
                             'size'  5429997