======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '262'
                                          'artist'  'Colosseum'
                                     'text_people'  'Dave "Clem" Clempson/Dave Greenslade'
                                         'release'  'progsoup 54'
                                           'title'  'Bring Out Your Dead'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive rock', 'funeral doom metal', 'funeral doom', 'rock', 'jazz "
 "rock', 'doom metal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '86.697'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'{\r\x00\x00')
'PRIV:PeakValue:!e\x00\x00'                         PRIV(owner='PeakValue', data=b'!e\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 \x00 \x003\x003\x006\x008\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x006\x005\x009\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x007\x006\x006\x008\x005\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x003\x003\x006\x008\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x006\x005\x009\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x007\x006\x006\x008\x005\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:3f3¹ë\x88ñC\x90\x95â\x07ÞôÃO'  PRIV(owner='WM/WMCollectionGroupID', data=b'3f3\xb9\xeb\x88\xf1C\x90\x95\xe2\x07\xde\xf4\xc3O')
'PRIV:WM/WMCollectionID:3f3¹ë\x88ñC\x90\x95â\x07ÞôÃO'  PRIV(owner='WM/WMCollectionID', data=b'3f3\xb9\xeb\x88\xf1C\x90\x95\xe2\x07\xde\xf4\xc3O')
'PRIV:WM/WMContentID:û\x17\x94ÄIL¨M\x882\x8c°ò¢ÁÎ'  PRIV(owner='WM/WMContentID', data=b'\xfb\x17\x94\xc4IL\xa8M\x882\x8c\xb0\xf2\xa2\xc1\xce')
'TALB' (Album/Movie/Show title)                     'progsoup 54'
'TBPM' (BPM (beats per minute))                     '86.697'
'TCOM' (Composer)                                   'Dave "Clem" Clempson/Dave Greenslade'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Bring Out Your Dead'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Colosseum'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Castle Music America'
'TRCK' (Track number/Position in set)               '14'
'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:lastfmtags'                                   ['progressive rock',
 'funeral doom metal',
 'funeral doom',
 'rock',
 'jazz rock',
 'doom metal']
'TXXX:q-bass'                                       '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.560006'

========================== row from database ==========================
                                              'id'  1415097
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 54/3053 colosseum - bring out your dead.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  262
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  4219382
                                           'mtime'  1620737575
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 3053 colosseum bring out your dead rock cppex progressive;set pl progspace
                                      'tag_artist'  Colosseum
                                     'tag_release'  progsoup 54
                                       'tag_title'  Bring Out Your Dead
                                             'bpm'  86.697
                                    'search_title'  'bring':1 'dead':4 'out':2 'your':3
                                   'search_artist'  'colosseum':1
                                  'search_release'  '54':2 'progsoup':1
                                     'search_rest'  '3053':3 'bring':5 'classicprogpsy':1 'colosseum':4 'cppex':10 'dead':8 'out':6 'pl':15 'progressive':11,13 'progsoup':2 'progspace':16 'rock':9 'set':12,14 'your':7
                                    'search_combo'  '3053':10 '54':7C 'bring':1A,12 'classicprogpsy':8 'colosseum':5B,11 'cppex':17 'dead':4A,15 'out':2A,13 'pl':22 'progressive':18,20 'progsoup':6C,9 'progspace':23 'rock':16 'set':19,21 'your':3A,14
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'funeral doom metal', 'funeral doom', 'rock', 'jazz rock', 'doom metal']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737574.5466933  (2021-05-11 14:52:54)
                             'size'  4219382