======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '274'
                                          'artist'  'Moi dix Mois'
                                     'text_people'  ''
                                         'release'  'Dix infernal'
                                           'title'  'Detresse'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '123.859'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00001E7F 00001F03 00004DEB'
'COMM:iTunNORM:eng'                                 (' 00001E7F 00001F03 00004DEB 00004E23 0000EA77 0003A9AE 00008000 00008000 '
 '0000755E 00007547')
'PRIV:AverageLevel:|(\x00\x00'                      PRIV(owner='AverageLevel', data=b'|(\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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/WMCollectionGroupID:C\x8e¨â\x86\x16iC»\x03W[\x14Uk?'  PRIV(owner='WM/WMCollectionGroupID', data=b'C\x8e\xa8\xe2\x86\x16iC\xbb\x03W[\x14Uk?')
'PRIV:WM/WMCollectionID:C\x8e¨â\x86\x16iC»\x03W[\x14Uk?'  PRIV(owner='WM/WMCollectionID', data=b'C\x8e\xa8\xe2\x86\x16iC\xbb\x03W[\x14Uk?')
'PRIV:WM/WMContentID:6mO\x82åä\x1aN§B\x0fk\x94uìk'  PRIV(owner='WM/WMContentID', data=b'6mO\x82\xe5\xe4\x1aN\xa7B\x0fk\x94u\xeck')
'TALB' (Album/Movie/Show title)                     'Dix infernal'
'TBPM' (BPM (beats per minute))                     '123.859'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Detresse'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Moi dix Mois'
'TPE2' (Band/orchestra/accompaniment)               'Moi dix Mois'
'TPUB' (Publisher)                                  'Ｍｉｄｉ：Ｎｅｔｔｅ'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.65 dB'
'TXXX:replaygain_track_peak'                        '0.335273'

========================== row from database ==========================
                                              'id'  933652
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Moi dix Mois/Dix Infernal/10 Detresse.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  274
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  4397043
                                           'mtime'  1620300951
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Infernal 10 eid goth or gothrock gothrock
                                      'tag_artist'  Moi dix Mois
                                     'tag_release'  Dix infernal
                                       'tag_title'  Detresse
                                             'bpm'  123.859
                                    'search_title'  'detresse':1
                                   'search_artist'  'dix':2 'moi':1 'mois':3
                                  'search_release'  'dix':1 'infernal':2
                                     'search_rest'  '00asia':1 'eid':3 'goth':4 'gothrock':6 'infernal':2 'or':5
                                    'search_combo'  '00asia':7 'detresse':1A 'dix':3B,5C 'eid':9 'goth':10 'gothrock':12 'infernal':6C,8 'moi':2B 'mois':4B 'or':11
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['gothic metal', 'visual kei', 'gothic', 'japanese', 'j rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300951.2527556  (2021-05-06 13:35:51)
                             'size'  4397043