======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '298'
                                          'artist'  'PUFFY'
                                     'text_people'  ''
                                         'release'  'amiyumi'
                                           'title'  'Simple'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', '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-2']")
                                      'lastfmtags'  "['jpop', 'female vocalists', 'japanese', 'j pop', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '7'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '90.817'
                                             'key'  '6A'
                                        'acoustid'  '499c6b56-29bf-4999-93e9-be2c885075cc'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '7+5BF6AFC0C3BDCAC945E40E293B'
'COMM:iTunes_CDDB_IDs:eng'                          '7+5BF6AFC0C3BDCAC945E40E293B23D684+5153566'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'amiyumi'
'TBPM' (BPM (beats per minute))                     '90.817'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-07-22'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Simple'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'PUFFY'
'TPE2' (Band/orchestra/accompaniment)               'PUFFY'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/7'
'TSO2'                                              'PUFFY'
'TSOP' (Performer sort order)                       'PUFFY'
'TXXX:Acoustid Id'                                  '499c6b56-29bf-4999-93e9-be2c885075cc'
'TXXX:Artists'                                      'PUFFY'
'TXXX:MusicBrainz Album Artist Id'                  'ed8e205b-2b03-48f8-b068-37b7a553fdad'
'TXXX:MusicBrainz Album Id'                         '4b7c4960-7f89-42c7-9452-2c44f5f70329'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ed8e205b-2b03-48f8-b068-37b7a553fdad'
'TXXX:MusicBrainz Release Group Id'                 '75fe23e1-9f08-32b7-8fae-53c7b1af499e'
'TXXX:MusicBrainz Release Track Id'                 'd35a81f0-8d0f-3a32-bbd9-dd6b9f758eba'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['jpop', 'female vocalists', 'japanese', 'j pop', 'j rock']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.449825'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a7f10776-3558-48cd-b86d-a96121600c0c')

========================== row from database ==========================
                                              'id'  1524325
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Puffy/Puffy AmiYumi - The Baker_s Dozen/Puffy - AmiYumi/Puffy - AmiYumi - 04 - Simpli.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  298
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  11949559
                                           'mtime'  1622821811
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Puffy Puffy AmiYumi The Baker_s Dozen Puffy AmiYumi Puffy AmiYumi 04 Simpli loc asia japan;loc asia japan jpop
                                      'tag_artist'  PUFFY
                                     'tag_release'  amiyumi
                                       'tag_title'  Simple
                                             'bpm'  90.817
                                    'search_title'  'simple':1
                                   'search_artist'  'puffy':1
                                  'search_release'  'amiyumi':1
                                     'search_rest'  '00asia':1 'ami':17 'amiyumi':3 'asia':10 'baker':5 'dozen':7 'japan':11,13,15 'jpop':16 'loc':9,12,14 'puffy':2 's':6 'simpli':8 'the':4 'yumi':18
                                    'search_combo'  '00asia':4 'ami':20 'amiyumi':3C,6 'asia':13 'baker':8 'dozen':10 'japan':14,16,18 'jpop':19 'loc':12,15,17 'puffy':2B,5 's':9 'simple':1A 'simpli':11 'the':7 'yumi':21
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', '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-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jpop', 'female vocalists', 'japanese', 'j pop', 'j rock']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821810.629604  (2021-06-04 17:50:10)
                             'size'  11949559