======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '256'
                                          'artist'  '椎名林檎'
                                     'text_people'  ''
                                         'release'  '真夜中は純潔'
                                           'title'  '真夜中は純潔'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '3'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted'
                                             'bpm'  '146'
                                             'key'  '9A'
                                        'acoustid'  'fb752a61-0ab6-4abb-a67e-e2527da3d186'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '真夜中は純潔'
'TBPM' (BPM (beats per minute))                     '146'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-shibuyakei',
 'loc-asia-japan',
 'prerock-jb-jazz-unsorted']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-03-28'
'TIT2' (Title/songname/content description)         '真夜中は純潔'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '椎名林檎'
'TPE2' (Band/orchestra/accompaniment)               '椎名林檎'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/3'
'TSO2'                                              'Shiina, Ringo'
'TSOP' (Performer sort order)                       'Shiina, Ringo'
'TXXX:ASIN'                                         'B00005HV85'
'TXXX:Acoustid Id'                                  'fb752a61-0ab6-4abb-a67e-e2527da3d186'
'TXXX:Artists'                                      '椎名林檎'
'TXXX:MusicBrainz Album Artist Id'                  '9e414497-23b7-4ab7-9ec6-8ea9864c9e87'
'TXXX:MusicBrainz Album Id'                         '723d3db4-7f1f-45d2-91f8-d3ba4bd741cd'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '9e414497-23b7-4ab7-9ec6-8ea9864c9e87'
'TXXX:MusicBrainz Release Group Id'                 '44197528-48b6-393d-9684-0631d36786a2'
'TXXX:MusicBrainz Release Track Id'                 'ca12243e-30ed-31e4-8ea6-0cd18ac4de75'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.581747'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e1810d7a-3255-44bd-ac6f-22cdcc5f55ca')

========================== row from database ==========================
                                              'id'  927339
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shiina Ringo & Tokyo Jihen/Shiina Ringo/Shiina Ringo Essentials/Shiina Ringo - Mayonaka wa Junketsu.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  256
                                           'genre'  loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted
                                        'filesize'  4129394
                                           'mtime'  1620540248
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Shiina Ringo & Tokyo Jihen Shiina Ringo Shiina Ringo Essentials Shiina Ringo Mayonaka wa Junketsu loc asia japan jrock shibuyakei;loc asia japan;prerock jb jazz unsorted
                                      'tag_artist'  椎名林檎
                                     'tag_release'  真夜中は純潔
                                       'tag_title'  真夜中は純潔
                                             'bpm'  146.0
                                    'search_title'  '真夜中ha純潔':2 '真夜中は純潔':1
                                   'search_artist'  '椎名林檎':1
                                  'search_release'  '真夜中ha純潔':2 '真夜中は純潔':1
                                     'search_rest'  '00asia':1 'asia':11 'essentials':6 'japan':12,18,20 'jazz':23 'jb':22 'jihen':5 'jrock':13 'junketsu':9 'loc':10,15,17 'mayonaka':7 'prerock':19,21 'ringo':3 'shibuyakei':14,16 'shiina':2 'tokyo':4 'unsorted':24 'wa':8
                                    'search_combo'  '00asia':6 'asia':16 'essentials':11 'japan':17,23,25 'jazz':28 'jb':27 'jihen':10 'jrock':18 'junketsu':14 'loc':15,20,22 'mayonaka':12 'prerock':24,26 'ringo':8 'shibuyakei':19,21 'shiina':7 'tokyo':9 'unsorted':29 'wa':13 '椎名林檎':3B '真夜中ha純潔':2A,5C '真夜中は純潔':1A,4C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540248.0968277  (2021-05-09 08:04:08)
                             'size'  4129394