======================== unified (from filesystem) ========================
                                         'bitrate'  '180.492'
                                        'duration'  '979'
                                          'artist'  'Arzachel'
                                     'text_people'  ''
                                         'release'  'Progsoup 34'
                                           'title'  'Metempsychosis'
                                           '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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['psychedelic rock', 'canterbury', 'rock', 'progressive rock', "
 "'psychedelic', 'classic rock']")
                                     'discogstags'  "['psychedelic rock', 'prog rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '130.988'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000200 00000000 0000096A'
'COMM:iTunNORM:eng'                                 (' 00000200 00000000 0000096A 00000000 000BC5CD 00000000 00004D0F 00000000 '
 '00021D19 00000000')
'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 \x002\x009\x003\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x005\x004\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x005\x002\x003\x003\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x002\x009\x003\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x005\x004\x009\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x005\x002\x003\x003\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:±üÄ\x9a̵\x7fH¼7\x0b+\x90\x06U['  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb1\xfc\xc4\x9a\xcc\xb5\x7fH\xbc7\x0b+\x90\x06U[')
'PRIV:WM/WMCollectionID:±üÄ\x9a̵\x7fH¼7\x0b+\x90\x06U['  PRIV(owner='WM/WMCollectionID', data=b'\xb1\xfc\xc4\x9a\xcc\xb5\x7fH\xbc7\x0b+\x90\x06U[')
"PRIV:WM/WMContentID:G©@z\x12Ä\x8fO\x96a9'Á\x1adä"  PRIV(owner='WM/WMContentID', data=b"G\xa9@z\x12\xc4\x8fO\x96a9'\xc1\x1ad\xe4")
'TALB' (Album/Movie/Show title)                     'Progsoup 34'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'rock-cppex', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1969'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst Mode)'
'TIT2' (Title/songname/content description)         'Metempsychosis'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Arzachel'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Akarma'
'TRCK' (Track number/Position in set)               '30'
'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'                                  ['psychedelic rock', 'prog rock', 'rock']
'TXXX:lastfmtags'                                   ['psychedelic rock',
 'canterbury',
 'rock',
 'progressive rock',
 'psychedelic',
 'classic 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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.593252'

========================== row from database ==========================
                                              'id'  1410884
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 34 (sixties prog)/1986 arzachel - Metempsychosis.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  979
                                           'genre'  rock-cppex-progressive;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  22308826
                                           'mtime'  1635960330
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (sixties prog) 1986 arzachel rock cppex progressive;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Arzachel
                                     'tag_release'  Progsoup 34
                                       'tag_title'  Metempsychosis
                                             'bpm'  130.988
                                    'search_title'  'metempsychosis':1
                                   'search_artist'  'arzachel':1
                                  'search_release'  '34':2 'progsoup':1
                                     'search_rest'  '1986':7 'arzachel':8 'classicprogpsy':1 'cppex':10,15,17 'prog':5,6 'progressive':11,13 'progsoup':2 'psychedelic':19 'rock':9,12,14,16,18 'sixties':3,4
                                    'search_combo'  '1986':11 '34':4C 'arzachel':2B,12 'classicprogpsy':5 'cppex':14,19,21 'metempsychosis':1A 'prog':9,10 'progressive':15,17 'progsoup':3C,6 'psychedelic':23 'rock':13,16,18,20,22 'sixties':7,8
                                    'tag_tracknum'  30
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic rock', 'canterbury', 'rock', 'progressive rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1969
                                     'discogstags'  ['psychedelic rock', 'prog rock', 'rock']

============================== file details ==============================
                                           'mtime'  1635960329.608709  (2021-11-03 18:25:29)
                             'size'  22308826