======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '246'
                                          'artist'  'Metronome'
                                     'text_people'  ''
                                         'release'  'LIFO'
                                           'title'  'クラスター'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'Q-SYN-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '9'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk'
                                             'bpm'  '150'
                                             'key'  '11A'
                                        'acoustid'  '0819a05f-05a1-47a8-901b-4938c0da6310'
rest: ''

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

'APIC:cover front'                                  type PictureType.COVER_FRONT (Cover (front)) b'cover front'
                                     
'TALB' (Album/Movie/Show title)                     'LIFO'
'TBPM' (BPM (beats per minute))                     '150'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-synthpunk',
 'loc-asia-japan',
 'rock-gr-punk-jpunk',
 'loc-asia-japan-jpunk']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-11-27'
'TIT2' (Title/songname/content description)         'クラスター'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Metronome'
'TPE2' (Band/orchestra/accompaniment)               'Metronome'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Tricycle ENTERTAINMENT Inc.'
'TRCK' (Track number/Position in set)               '5/9'
'TSO2'                                              'Metronome'
'TSOP' (Performer sort order)                       'Metronome'
'TXXX:ASIN'                                         'B0002ZEWGQ'
'TXXX:Acoustid Id'                                  '0819a05f-05a1-47a8-901b-4938c0da6310'
'TXXX:Artists'                                      'Metronome'
'TXXX:BARCODE'                                      '4538736210135'
'TXXX:CATALOGNUMBER'                                'TNCH-13'
'TXXX:MusicBrainz Album Artist Id'                  '0afebce8-950e-416a-8b8d-fbb52ad0f9a0'
'TXXX:MusicBrainz Album Id'                         'd9aad5ee-acf8-4601-b96d-e26acd941fee'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0afebce8-950e-416a-8b8d-fbb52ad0f9a0'
'TXXX:MusicBrainz Release Group Id'                 '5a7b493b-724f-32f6-865c-54db15876fa3'
'TXXX:MusicBrainz Release Track Id'                 'c5ae115d-4739-3582-8f94-598cf3a7927c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Qaaa'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']
'TXXX:originalyear'                                 '2004'
'TXXX:other'                                        '2004'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.77 dB'
'TXXX:replaygain_track_peak'                        '0.434111'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'861bfb3b-61e5-40ee-b5ec-28b4764e7ff7')

========================== row from database ==========================
                                              'id'  923569
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/metronome/[2004] LIFO/05 ｸﾗｽﾀｰ.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  246
                                           'genre'  electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk
                                        'filesize'  5941678
                                           'mtime'  1620531006
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia metronome [2004] 05 ｸﾗｽﾀｰ electronic we synthpunk;loc asia japan;rock gr punk jpunk;loc asia japan jpunk
                                      'tag_artist'  Metronome
                                     'tag_release'  LIFO
                                       'tag_title'  クラスター
                                             'bpm'  150.0
                                    'search_title'  'kurasuta':2 'クラスター':1
                                   'search_artist'  'metronome':1
                                  'search_release'  'lifo':1
                                     'search_rest'  '00asia':1 '2004':3,4 'asia':13 'electronic':7 'gr':18 'japan':14,16,24 'jpunk':20,22,25 'kurasuta':6 'loc':10,12,21,23 'metronome':2 'punk':19 'rock':15,17 'synthpunk':9,11 'we':8 'ｸﾗｽﾀｰ':5
                                    'search_combo'  '00asia':5 '2004':7,8 'asia':17 'electronic':11 'gr':22 'japan':18,20,28 'jpunk':24,26,29 'kurasuta':2A,10 'lifo':4C 'loc':14,16,25,27 'metronome':3B,6 'punk':23 'rock':19,21 'synthpunk':13,15 'we':12 'クラスター':1A 'ｸﾗｽﾀｰ':9
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'Q-SYN-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620531006.074445  (2021-05-09 05:30:06)
                             'size'  5941678