======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '19'
                                          'artist'  'YMCK'
                                     'text_people'  ''
                                         'release'  'Family Music'
                                           'title'  'ファンファーレ'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico'
                                             'bpm'  '99'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Family Music'
'TBPM' (BPM (beats per minute))                     '99'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop', 'electronic-we-beeps or chip or pico']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-11-03'
'TIT2' (Title/songname/content description)         'ファンファーレ'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'YMCK'
'TPE2' (Band/orchestra/accompaniment)               'YMCK'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'USAGI-CHANG RECORDS'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'YMCK'
'TSOP' (Performer sort order)                       'YMCK'
'TXXX:Artists'                                      'YMCK'
'TXXX:CATALOGNUMBER'                                'USG-008/USGB-003'
'TXXX:MusicBrainz Album Artist Id'                  '3bd74fdb-a35e-4cad-bdd2-f2944c9db3d3'
'TXXX:MusicBrainz Album Id'                         '6fc31b65-d3ed-4c0a-8da8-5217d66f9350'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3bd74fdb-a35e-4cad-bdd2-f2944c9db3d3'
'TXXX:MusicBrainz Release Group Id'                 'd1c3322e-df2a-3596-b422-90d5bec041e5'
'TXXX:MusicBrainz Release Track Id'                 'f0675813-48ff-42d8-bb0f-e242b614b796'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.499454'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3f7ee96a-5ae8-4337-8e88-2f3421f1e7c8')

========================== row from database ==========================
                                              'id'  927428
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/YMCK/[2004] FAMILY MUSIC/01 ファンファーレ.mp3
                                         'working'  None
                                         'bitrate'  321
                                    'duration_sec'  19
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop;electronic-we-beeps or chip or pico
                                        'filesize'  867166
                                           'mtime'  1621489971
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2004] FAMILY MUSIC 01 loc asia japan;loc asia japan jpop;electronic we beeps or chip or pico
                                      'tag_artist'  YMCK
                                     'tag_release'  Family Music
                                       'tag_title'  ファンファーレ
                                             'bpm'  99.0
                                    'search_title'  'huanhuare':2 'ファンファーレ':1
                                   'search_artist'  'ymck':1
                                  'search_release'  'family':1 'music':2
                                     'search_rest'  '00asia':1 '2004':2,3 'asia':7 'beeps':18 'chip':20 'electronic':14,16 'family':4 'japan':8,10,12 'jpop':13,15 'loc':6,9,11 'music':5 'or':19 'pico':21 'we':17
                                    'search_combo'  '00asia':6 '2004':7,8 'asia':12 'beeps':23 'chip':25 'electronic':19,21 'family':4C,9 'huanhuare':2A 'japan':13,15,17 'jpop':18,20 'loc':11,14,16 'music':5C,10 'or':24 'pico':26 'we':22 'ymck':3B 'ファンファーレ':1A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-chart-2', 'q-other-4', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chiptune', 'bitpop', '8 bit', 'japanese', 'electronic']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621489971.0519946  (2021-05-20 07:52:51)
                             'size'  867166