======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '356'
                                          'artist'  'Haniwa-chan'
                                     'text_people'  ''
                                         'release'  'かなしばり'
                                           'title'  '体育祭'
                                           'quals'  ("['Q-UNU-1', 'Q-HAP-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese/zolo/rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '13'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk;loc-asia-japan'
                                             'bpm'  '105'
                                             'key'  '5B'
                                        'acoustid'  '2e0e9eb0-a097-446f-8363-ddc3890b068c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000002F7 0000031D 000034BB 000034E5 00025A0A 00025A0A 00008209 0000850E '
 '00026614 0004BEB1')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AD4 0000000000EFFF1C 00000000 00AE14E7 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '13+8C347EEB559937943A8432A50B14F307+1080280'
'TALB' (Album/Movie/Show title)                     'かなしばり'
'TBPM' (BPM (beats per minute))                     '105'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk;loc-asia-japan'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1991-08-28'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         '体育祭'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Haniwa-chan'
'TPE2' (Band/orchestra/accompaniment)               'Haniwa-chan'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sony Records'
'TRCK' (Track number/Position in set)               '8/13'
'TSO2'                                              'Haniwa-chan'
'TSOP' (Performer sort order)                       'Haniwa-chan'
'TXXX:ASIN'                                         'B000064QGS'
'TXXX:Acoustid Id'                                  '2e0e9eb0-a097-446f-8363-ddc3890b068c'
'TXXX:Artists'                                      'Haniwa-chan'
'TXXX:BARCODE'                                      '4988009213422'
'TXXX:CATALOGNUMBER'                                'SRCL 2134'
'TXXX:MusicBrainz Album Artist Id'                  '0db1261a-794e-4961-86f3-5163e7ecc874'
'TXXX:MusicBrainz Album Id'                         '294d7e91-1ebe-47e8-82d3-430ef099e09b'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0db1261a-794e-4961-86f3-5163e7ecc874'
'TXXX:MusicBrainz Release Group Id'                 '57b6e451-343b-46c0-b5f4-27f3a7c9b6f2'
'TXXX:MusicBrainz Release Track Id'                 'ba6db4a6-4054-45ea-9312-1b3f5e6147c8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   'japanese/zolo/rock'
'TXXX:originalyear'                                 '1991'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.735677'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b96a77cd-960b-462c-af5a-f18c5501c325')

========================== row from database ==========================
                                              'id'  1456892
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/Kanashibari/08 体育祭 (Taiikusai) (2).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  356
                                           'genre'  electronic-we-new wave or post punk;loc-asia-japan
                                        'filesize'  11488854
                                           'mtime'  1620611476
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk Kanashibari 08 体育祭 (Taiikusai) (2) electronic we new wave or post punk;loc asia japan
                                      'tag_artist'  Haniwa-chan
                                     'tag_release'  かなしばり
                                       'tag_title'  体育祭
                                             'bpm'  105.0
                                    'search_title'  '体育祭':1
                                   'search_artist'  'chan':2 'haniwa':1 'haniwachan':3
                                  'search_release'  'kanasihari':2 'かなしばり':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '2':11,16,17 '2c':13 'a':7 'a1':10 'asia':28 'c':9 'disco':3 'e':8,12 'electronic':18 'japan':29 'kanashibari':6 'loc':25,27 'new':20 'or':22 'post':23 'postpunk':5 'punk':24,26 'taiikusai':14,15 'wave':21 'waves':2 'we':19
                                    'search_combo'  '00newwave':10 '00poprockelectronic':7 '2':17,22,23 '2c':19 'a':13 'a1':16 'asia':34 'c':15 'chan':3B 'disco':9 'e':14,18 'electronic':24 'haniwa':2B 'haniwachan':4B 'japan':35 'kanashibari':12 'kanasihari':6C 'loc':31,33 'new':26 'or':28 'post':29 'postpunk':11 'punk':30,32 'taiikusai':20,21 'wave':27 'waves':8 'we':25 'かなしばり':5C '体育祭':1A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'q-piano-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-JZFKS-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['japanese/zolo/rock']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620611476.3658822  (2021-05-10 03:51:16)
                             'size'  11488854