======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '293'
                                          'artist'  'NIRGILIS'
                                     'text_people'  ''
                                         'release'  'テニス'
                                           'title'  'ソプラノ'
                                           'quals'  ("['Q-HAP-2', '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-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', 'electronic', 'japanese', 'j pop', 'anime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;set-pl-sced'
                                             'bpm'  '118.290'
                                             'key'  '6A'
                                        'acoustid'  'e5e36bab-816a-475c-8f77-e19efce870ad'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'テニス'
'TBPM' (BPM (beats per minute))                     '118.290'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'set-pl-sced']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-04-30'
'TIT2' (Title/songname/content description)         'ソプラノ'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'NIRGILIS'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'NIRGILIS'
'TSOP' (Performer sort order)                       'NIRGILIS'
'TXXX:ASIN'                                         'B00008XWR1'
'TXXX:Acoustid Id'                                  'e5e36bab-816a-475c-8f77-e19efce870ad'
'TXXX:Artists'                                      'NIRGILIS'
'TXXX:MusicBrainz Album Artist Id'                  '571f7f4e-766b-420b-ad2a-62ef7485b2b3'
'TXXX:MusicBrainz Album Id'                         '24aa24b2-d7a8-41ea-9b70-5cb8a882503b'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '571f7f4e-766b-420b-ad2a-62ef7485b2b3'
'TXXX:MusicBrainz Release Group Id'                 '069614ec-8237-335e-9c38-c079d002300a'
'TXXX:MusicBrainz Release Track Id'                 '26015a34-2abe-3689-9c81-9ab548d675d3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['female vocalists', 'electronic', 'japanese', 'j pop', 'anime']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.00 dB'
'TXXX:replaygain_track_peak'                        '0.572710'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5cf48d5f-2cf5-4348-b80b-cb573b1f5a31')

========================== row from database ==========================
                                              'id'  294808
                                            'path'  /data/Music/Bulk/00localcharacter/NIRGILIS/Nirgilis- Tennis/05.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  293
                                           'genre'  loc-asia-japan;set-pl-sced
                                        'filesize'  4764308
                                           'mtime'  1637019879
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Nirgilis Tennis 05 loc asia japan;set pl sced
                                      'tag_artist'  NIRGILIS
                                     'tag_release'  テニス
                                       'tag_title'  ソプラノ
                                             'bpm'  118.29
                                    'search_title'  'sohurano':2 'ソプラノ':1
                                   'search_artist'  'nirgilis':1
                                  'search_release'  'tenisu':2 'テニス':1
                                     'search_rest'  'asia':4 'japan':5,7 'loc':3 'nirgilis':1 'pl':9 'sced':10 'set':6,8 'tennis':2
                                    'search_combo'  'asia':9 'japan':10,12 'loc':8 'nirgilis':3B,6 'pl':14 'sced':15 'set':11,13 'sohurano':2A 'tenisu':5C 'tennis':7 'ソプラノ':1A 'テニス':4C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'electronic', 'japanese', 'j pop', 'anime']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637019878.7761111  (2021-11-16 00:44:38)
                             'size'  4764308