======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '243'
                                          'artist'  'Metronome'
                                     'text_people'  ''
                                         'release'  'Electric travel'
                                           'title'  '懐かしき日々'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'Q-SYN-3', 'q-bass-4', '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'  '3'
                                      'tracktotal'  '7'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk'
                                             'bpm'  '90'
                                             'key'  '12B'
                                        'acoustid'  '9864ee1e-d9a8-4297-8584-11034b556f10'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electric travel'
'TBPM' (BPM (beats per minute))                     '90'
'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)                      '2005'
'TDRC' (Recording time)                             '2005-10-05'
'TIT2' (Title/songname/content description)         '懐かしき日々'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Metronome'
'TPE2' (Band/orchestra/accompaniment)               'Metronome'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Art Pop entertainment'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              'Metronome'
'TSOP' (Performer sort order)                       'Metronome'
'TXXX:Acoustid Id'                                  '9864ee1e-d9a8-4297-8584-11034b556f10'
'TXXX:Artists'                                      'Metronome'
'TXXX:BARCODE'                                      '4948722195009'
'TXXX:CATALOGNUMBER'                                'APCRD-0502'
'TXXX:MusicBrainz Album Artist Id'                  '0afebce8-950e-416a-8b8d-fbb52ad0f9a0'
'TXXX:MusicBrainz Album Id'                         '5b071f95-188f-4bb5-b5e5-71dc2e21d6bd'
'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'                 'ce802115-1f5b-3512-aceb-bd62b31bf96a'
'TXXX:MusicBrainz Release Track Id'                 'b79d04eb-0416-3d8c-b37c-2a59e591af0f'
'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'                                 '2005'
'TXXX:other'                                        '2005'
'TXXX:q-bass'                                       '4'
'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'                        '-2.39 dB'
'TXXX:replaygain_track_peak'                        '0.397948'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5e13bb5f-d2f2-4ea1-9ff6-98e0d3b42ce7')

========================== row from database ==========================
                                              'id'  927647
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/metronome/[2005] ELECTRIC TRAVEL/1-03 懐かしき日々.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  243
                                           'genre'  electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk
                                        'filesize'  5863846
                                           'mtime'  1620530986
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia metronome [2005] ELECTRIC TRAVEL 1 03 electronic we synthpunk;loc asia japan;rock gr punk jpunk;loc asia japan jpunk
                                      'tag_artist'  Metronome
                                     'tag_release'  Electric travel
                                       'tag_title'  懐かしき日々
                                             'bpm'  90.0
                                    'search_title'  '懐kasiki日':2 '懐かしき日々':1
                                   'search_artist'  'metronome':1
                                  'search_release'  'electric':1 'travel':2
                                     'search_rest'  '00asia':1 '1':7 '2005':3,4 'asia':14 'electric':5 'electronic':8 'gr':19 'japan':15,17,25 'jpunk':21,23,26 'loc':11,13,22,24 'metronome':2 'punk':20 'rock':16,18 'synthpunk':10,12 'travel':6 'we':9
                                    'search_combo'  '00asia':6 '1':12 '2005':8,9 'asia':19 'electric':4C,10 'electronic':13 'gr':24 'japan':20,22,30 'jpunk':26,28,31 'loc':16,18,27,29 'metronome':3B,7 'punk':25 'rock':21,23 'synthpunk':15,17 'travel':5C,11 'we':14 '懐kasiki日':2A '懐かしき日々':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12B
                                           '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-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620530986.0341969  (2021-05-09 05:29:46)
                             'size'  5863846