======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '236'
                                          'artist'  'Kayo'
                                     'text_people'  ''
                                         'release'  'Mitsuami Heroine'
                                           'title'  'Natsu Nandesu'
                                           '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-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'pop', 'female vocalists', 'japanese', 'j pop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '5'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;set-pl-sced'
                                             'bpm'  '132'
                                             'key'  '9B'
                                        'acoustid'  '69129d8c-abb5-45ec-9157-5e04ab621921'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000A54 00000A74 00001FCF'
'COMM:iTunNORM:eng'                                 (' 00000A54 00000A74 00001FCF 00002486 00033495 00033495 00007910 00008000 '
 '00033450 0002E647')
'TALB' (Album/Movie/Show title)                     'Mitsuami Heroine'
'TBPM' (BPM (beats per minute))                     '132'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'set-pl-sced']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-07-02'
'TIT2' (Title/songname/content description)         'Natsu Nandesu'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kayo'
'TPE2' (Band/orchestra/accompaniment)               'Kayo'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/5'
'TSO2'                                              'Kayo'
'TSOP' (Performer sort order)                       'Kayo'
'TXXX:ASIN'                                         'B00028XDLI'
'TXXX:Acoustid Id'                                  '69129d8c-abb5-45ec-9157-5e04ab621921'
'TXXX:Artists'                                      'Kayo'
'TXXX:MusicBrainz Album Artist Id'                  '82d4c8e5-b976-4db1-879f-ff5e24e835e1'
'TXXX:MusicBrainz Album Id'                         'db3a61b4-b28b-4e1a-be43-ee87e899a908'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '82d4c8e5-b976-4db1-879f-ff5e24e835e1'
'TXXX:MusicBrainz Release Group Id'                 'b5fd54e2-0077-3e58-b32b-e2c29174dc4e'
'TXXX:MusicBrainz Release Track Id'                 'cfe06829-589c-3f95-a637-b7f2c9c34e6e'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['swedish', 'pop', 'female vocalists', 'japanese', 'j pop']
'TXXX:originalyear'                                 '2004'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.463396'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2ef5b513-46c0-4921-b957-59115ee52b53')

========================== row from database ==========================
                                              'id'  1508036
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/POLYSICS/Kayo (of Polysics) - [2004.07.02][album][256] Mitsuami Heroine/02 - Natsu Nandesu (Because it_s summer).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  236
                                           'genre'  loc-asia-japan;set-pl-sced
                                        'filesize'  7620300
                                           'mtime'  1637019872
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia POLYSICS (of Polysics) [2004.07.02][album][256] 02 (Because it_s summer) loc asia japan;set pl sced
                                      'tag_artist'  Kayo
                                     'tag_release'  Mitsuami Heroine
                                       'tag_title'  Natsu Nandesu
                                             'bpm'  132.0
                                    'search_title'  'nandesu':2 'natsu':1
                                   'search_artist'  'kayo':1
                                  'search_release'  'heroine':2 'mitsuami':1
                                     'search_rest'  '00asia':1 '02':8 '07':7 '2004':6 '20040702album256':11 '256':10 'album':9 'asia':19 'because':12,13 'it':14 'japan':20,22 'loc':18 'of':3,4 'pl':24 'polysics':2,5 's':15 'sced':25 'set':21,23 'summer':16,17
                                    'search_combo'  '00asia':6 '02':13 '07':12 '2004':11 '20040702album256':16 '256':15 'album':14 'asia':24 'because':17,18 'heroine':5C 'it':19 'japan':25,27 'kayo':3B 'loc':23 'mitsuami':4C 'nandesu':2A 'natsu':1A 'of':8,9 'pl':29 'polysics':7,10 's':20 'sced':30 'set':26,28 'summer':21,22
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9B
                                           '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'pop', 'female vocalists', 'japanese', 'j pop']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1637019872.0692098  (2021-11-16 00:44:32)
                             'size'  7620300