======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '510'
                                          'artist'  'Proto-Kaw'
                                     'text_people'  ''
                                         'release'  'Progsoup 43'
                                           'title'  'Leaven'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', '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-1']")
                                      'lastfmtags'  ("['symphonic prog', 'rock', 'progressive rock', 'symphonic hard rock', "
 "'symphonic rock']")
                                     'discogstags'  "['prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '43'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '116.520'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3-TagIT AutoDescriptor1:eng'                '256K'
'COMM:ID3v1 Comment:XXX'                            '256K'
'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x009\x006\x00+\x008\x004\x008\x000\x00+\x00D\x003\x009\x004\x00+\x001\x006\x009\x004\x002\x00+\x001\x00D\x004\x009\x00F\x00+\x002\x003\x009\x007\x007\x00+\x002\x006\x00F\x00C\x000\x00+\x003\x001\x000\x00F\x005\x00+\x003\x005\x001\x007\x00B\x00+\x003\x00B\x009\x00D\x00B\x00+\x004\x008\x008\x003\x001\x00\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:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x009\x000\x006\x008\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x004\x001\x005\x004\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x009\x006\x000\x008\x000\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x009\x000\x006\x008\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x004\x001\x005\x004\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x009\x006\x000\x008\x000\x001\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:Oèñ2'¿\x9dK\xa0[íd\x00Ãem"  PRIV(owner='WM/WMCollectionGroupID', data=b"O\xe8\xf12'\xbf\x9dK\xa0[\xedd\x00\xc3em")
"PRIV:WM/WMCollectionID:Oèñ2'¿\x9dK\xa0[íd\x00Ãem"  PRIV(owner='WM/WMCollectionID', data=b"O\xe8\xf12'\xbf\x9dK\xa0[\xedd\x00\xc3em")
'PRIV:WM/WMContentID:T2\x06GGÞ\x9eI¸Ë/ϧ³±\x8b'     PRIV(owner='WM/WMContentID', data=b'T2\x06GG\xde\x9eI\xb8\xcb/\xcf\xa7\xb3\xb1\x8b')
'TALB' (Album/Movie/Show title)                     'Progsoup 43'
'TBPM' (BPM (beats per minute))                     '116.520'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Leaven'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '510000'
'TPE1' (Lead performer(s)/Soloist(s))               'Proto-Kaw'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Inside Out Music'
'TRCK' (Track number/Position in set)               '43'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['prog rock', 'rock']
'TXXX:lastfmtags'                                   ['symphonic prog',
 'rock',
 'progressive rock',
 'symphonic hard rock',
 'symphonic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '-1.19 dB'
'TXXX:replaygain_track_peak'                        '0.567103'

========================== row from database ==========================
                                              'id'  1409974
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 43/2496 proto kaw - leaven.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  510
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  16386556
                                           'mtime'  1620737419
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2496 proto kaw leaven rock cppex progressive;set pl progspace
                                      'tag_artist'  Proto-Kaw
                                     'tag_release'  Progsoup 43
                                       'tag_title'  Leaven
                                             'bpm'  116.52
                                    'search_title'  'leaven':1
                                   'search_artist'  'kaw':2 'proto':1 'protokaw':3
                                  'search_release'  '43':2 'progsoup':1
                                     'search_rest'  '2496':3 'classicprogpsy':1 'cppex':8 'kaw':5 'leaven':6 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'proto':4 'rock':7 'set':10,12
                                    'search_combo'  '2496':9 '43':6C 'classicprogpsy':7 'cppex':14 'kaw':3B,11 'leaven':1A,12 'pl':19 'progressive':15,17 'progsoup':5C,8 'progspace':20 'proto':2B,10 'protokaw':4B 'rock':13 'set':16,18
                                    'tag_tracknum'  43
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['symphonic prog', 'rock', 'progressive rock', 'symphonic hard rock', 'symphonic rock']
                                        'tag_date'  2004
                                     'discogstags'  ['prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620737418.849647  (2021-05-11 14:50:18)
                             'size'  16386556