======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '252'
                                          'artist'  'Schwarz Stein'
                                     'text_people'  ''
                                         'release'  'Perfect Garden [single]'
                                           'title'  'Beautiful the Virgin'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['visual kei', 'electronic', 'japanese', 'j rock', 'darkwave']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-gr-punk-jpunk;set-pl-sced'
                                             'bpm'  '91.473'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000944 000008B0 000024AC'
'COMM:iTunNORM:eng'                                 (' 00000944 000008B0 000024AC 000027B6 00035B8E 0002BF65 00007EC9 00008000 '
 '00035B8E 000186CE')
'MCDI' (Music CD identifier)                        MCDI(data=b'2\x00+\x009\x006\x00+\x004\x003\x005\x003\x00+\x008\x00D\x007\x009\x00\x00\x00')
'PRIV:AverageLevel:Ú!\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xda!\x00\x00')
'PRIV:PeakValue:|\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'|\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x93B\x06ÓWíýA½xØ\xadú]Ñ\x1d'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x93B\x06\xd3W\xed\xfdA\xbdx\xd8\xad\xfa]\xd1\x1d')
'PRIV:WM/WMCollectionID:\x93B\x06ÓWíýA½xØ\xadú]Ñ\x1d'  PRIV(owner='WM/WMCollectionID', data=b'\x93B\x06\xd3W\xed\xfdA\xbdx\xd8\xad\xfa]\xd1\x1d')
'PRIV:WM/WMContentID:XûCñiË$K\x8d\r±òðYm$'          PRIV(owner='WM/WMContentID', data=b'X\xfbC\xf1i\xcb$K\x8d\r\xb1\xf2\xf0Ym$')
'TALB' (Album/Movie/Show title)                     'Perfect Garden [single]'
'TBPM' (BPM (beats per minute))                     '91.473'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-gr-punk-jpunk', 'set-pl-sced']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Beautiful the Virgin'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '253080'
'TPE1' (Lead performer(s)/Soloist(s))               'Schwarz Stein'
'TPE2' (Band/orchestra/accompaniment)               'Schwarz Stein'
'TPUB' (Publisher)                                  'Ｍｉｄｉ：Ｎｅｔｔｅ'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['visual kei', 'electronic', 'japanese', 'j rock', 'darkwave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.09 dB'
'TXXX:replaygain_track_peak'                        '0.430615'

========================== row from database ==========================
                                              'id'  402980
                                            'path'  /data/Music/Bulk/00localcharacter/Schwarz Stein/[2002] Perfect Garden [single]/02 Beautiful the Virgin.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  252
                                           'genre'  loc-asia-japan;rock-gr-punk-jpunk;set-pl-sced
                                        'filesize'  10205458
                                           'mtime'  1637019919
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2002] 02 loc asia japan;rock gr punk jpunk;set pl sced
                                      'tag_artist'  Schwarz Stein
                                     'tag_release'  Perfect Garden [single]
                                       'tag_title'  Beautiful the Virgin
                                             'bpm'  91.473
                                    'search_title'  'beautiful':1 'the':2 'virgin':3
                                   'search_artist'  'schwarz':1 'stein':2
                                  'search_release'  'garden':2 'perfect':1 'single':3,4
                                     'search_rest'  '2002':1,2 'asia':4 'gr':9 'japan':5,7 'jpunk':11,13 'loc':3 'pl':15 'punk':10 'rock':6,8 'sced':16 'set':12,14
                                    'search_combo'  '2002':10,11 'asia':13 'beautiful':1A 'garden':7C 'gr':18 'japan':14,16 'jpunk':20,22 'loc':12 'perfect':6C 'pl':24 'punk':19 'rock':15,17 'sced':25 'schwarz':4B 'set':21,23 'single':8C,9C 'stein':5B 'the':2A 'virgin':3A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['visual kei', 'electronic', 'japanese', 'j rock', 'darkwave']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1637019919.4530706  (2021-11-16 00:45:19)
                             'size'  10205458