======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '335'
                                          'artist'  '椎名林檎'
                                     'text_people'  ''
                                         'release'  'Zecchoushuu'
                                           'title'  'Gamble'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', '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'  '2'
                                      'tracktotal'  '3'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '143.5'
                                             'key'  '8A'
                                        'acoustid'  'c6a022a3-0c5c-480e-b51f-72698c6a066e'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zecchoushuu'
'TBPM' (BPM (beats per minute))                     '143.5'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-09-13'
'TIT2' (Title/songname/content description)         'Gamble'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiina Ringo'
'TPE2' (Band/orchestra/accompaniment)               '椎名林檎'
'TPOS' (Part of a set)                              '1/3'
'TRCK' (Track number/Position in set)               '2/3'
'TSO2'                                              'Shiina, Ringo'
'TSOP' (Performer sort order)                       'Shiina, Ringo'
'TSST' (Set subtitle)                               'Gyakutai Glycogen'
'TXXX:Acoustid Id'                                  'c6a022a3-0c5c-480e-b51f-72698c6a066e'
'TXXX:Artists'                                      '椎名林檎'
'TXXX:MusicBrainz Album Artist Id'                  '9e414497-23b7-4ab7-9ec6-8ea9864c9e87'
'TXXX:MusicBrainz Album Id'                         'bdcdc23e-ca5b-40d5-954c-606230070389'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '9e414497-23b7-4ab7-9ec6-8ea9864c9e87'
'TXXX:MusicBrainz Release Group Id'                 '6cc477d1-1fa8-3378-a126-4696bf658adc'
'TXXX:MusicBrainz Release Track Id'                 '18b5f65b-305c-32fa-b31a-43a694466f5b'
'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:lastfmtags'                                   ['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.288410'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'db552d19-35cc-4181-977f-a6011e650b38')

========================== row from database ==========================
                                              'id'  928514
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shiina Ringo & Tokyo Jihen/Shiina Ringo/Shiina Ringo Essentials/Shiina Ringo - Gambling.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  335
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  5384012
                                           'mtime'  1637020202
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Shiina Ringo & Tokyo Jihen Shiina Ringo Shiina Ringo Essentials Shiina Ringo Gambling loc asia japan;loc asia japan jrock
                                      'tag_artist'  椎名林檎
                                     'tag_release'  Zecchoushuu
                                       'tag_title'  Gamble
                                             'bpm'  143.5
                                    'search_title'  'gamble':1
                                   'search_artist'  '椎名林檎':1
                                  'search_release'  'zecchoushuu':1
                                     'search_rest'  '00asia':1 'asia':9 'essentials':6 'gambling':7 'japan':10,12,14 'jihen':5 'jrock':15 'loc':8,11,13 'ringo':3 'shiina':2 'tokyo':4
                                    'search_combo'  '00asia':4 'asia':12 'essentials':9 'gamble':1A 'gambling':10 'japan':13,15,17 'jihen':8 'jrock':18 'loc':11,14,16 'ringo':6 'shiina':5 'tokyo':7 'zecchoushuu':3C '椎名林檎':2B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'female vocalists', 'japanese', 'j pop', 'j rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020202.3530629  (2021-11-16 00:50:02)
                             'size'  5384012