======================== unified (from filesystem) ========================
                                         'bitrate'  '284.81'
                                        'duration'  '224'
                                          'artist'  'GO!GO!7188'
                                     'text_people'  ''
                                         'release'  'Gyotaku'
                                           'title'  'Aa Seishun'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jrock', 'rock', 'female vocalists', 'japanese', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock;set-pl-sced'
                                             'bpm'  '131'
                                             'key'  '1B'
                                        'acoustid'  '6966366b-5c4e-4673-8140-53dab09e23e4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00002DC8 00002A9C 00009661'
'COMM:iTunNORM:eng'                                 (' 00002DC8 00002A9C 00009661 0000AACE 00010A41 00010A41 00008000 00008000 '
 '00002379 00002379')
'TALB' (Album/Movie/Show title)                     'Gyotaku'
'TBPM' (BPM (beats per minute))                     '131'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-pop-jrock', 'loc-asia-japan-jrock', 'set-pl-sced']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-11-21'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Aa Seishun'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'GO!GO!7188'
'TPE2' (Band/orchestra/accompaniment)               'GO!GO!7188'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/11'
'TSO2'                                              'GO!GO!7188'
'TSOP' (Performer sort order)                       'GO!GO!7188'
'TXXX:Acoustid Id'                                  '6966366b-5c4e-4673-8140-53dab09e23e4'
'TXXX:Artists'                                      'GO!GO!7188'
'TXXX:MusicBrainz Album Artist Id'                  'b87963a8-451b-4b19-b200-e6e91113bd0f'
'TXXX:MusicBrainz Album Id'                         '55f4df96-d8f6-497e-a037-e5ec87a1dff0'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b87963a8-451b-4b19-b200-e6e91113bd0f'
'TXXX:MusicBrainz Release Group Id'                 '7b9832d6-7cb4-3406-80f8-89ca5bad01ff'
'TXXX:MusicBrainz Release Track Id'                 'abcc438d-c8ba-3b51-abb8-1e473a1fd634'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['jrock', 'rock', 'female vocalists', 'japanese', 'j rock']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.86 dB'
'TXXX:replaygain_track_peak'                        '0.341296'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dd22bbd0-69d3-4027-8a82-e74ada62f871')

========================== row from database ==========================
                                              'id'  922572
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/GO!GO!7188/[2001] 魚磔/03 あぁ青春.mp3
                                         'working'  None
                                         'bitrate'  284
                                    'duration_sec'  224
                                           'genre'  loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock;set-pl-sced
                                        'filesize'  8051635
                                           'mtime'  1621700432
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2001] 魚磔 03 あぁ青春 loc asia japan;rock pop jrock;loc asia japan jrock;set pl sced
                                      'tag_artist'  GO!GO!7188
                                     'tag_release'  Gyotaku
                                       'tag_title'  Aa Seishun
                                             'bpm'  131.0
                                    'search_title'  'aa':1 'seishun':2
                                   'search_artist'  '7188':3 'go':1,2
                                  'search_release'  'gyotaku':1
                                     'search_rest'  '00asia':1 '2001':2,3 'aa青春':6 'asia':8 'japan':9,11,18 'jrock':14,16,19,21 'loc':7,15,17 'pl':23 'pop':13 'rock':10,12 'sced':24 'set':20,22 'あぁ青春':5 '魚磔':4
                                    'search_combo'  '00asia':7 '2001':8,9 '7188':5B 'aa':1A 'aa青春':12 'asia':14 'go':3B,4B 'gyotaku':6C 'japan':15,17,24 'jrock':20,22,25,27 'loc':13,21,23 'pl':29 'pop':19 'rock':16,18 'sced':30 'seishun':2A 'set':26,28 'あぁ青春':11 '魚磔':10
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'rock', 'female vocalists', 'japanese', 'j rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621700431.7980726  (2021-05-22 18:20:31)
                             'size'  8051635