======================== unified (from filesystem) ========================
                                         'bitrate'  '220.166'
                                        'duration'  '495'
                                          'artist'  'Capsula'
                                     'text_people'  ''
                                         'release'  'Progsoup 20'
                                           'title'  'Retro Inversion'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'psychill', 'ambient', 'spacestation', 'rock']"
                                     'discogstags'  "['electronic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '38'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '132'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255, count=0)
'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')
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'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x008\x006\x002\x004\x002\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x001\x001\x007\x005\x006\x003\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x008\x007\x008\x004\x006\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x008\x006\x002\x004\x002\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x001\x001\x007\x005\x006\x003\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x003\x008\x007\x008\x004\x006\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ØrÄ·V\x84ÉC¼sÂ\x9a\x01)Èç'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd8r\xc4\xb7V\x84\xc9C\xbcs\xc2\x9a\x01)\xc8\xe7')
'PRIV:WM/WMCollectionID:ØrÄ·V\x84ÉC¼sÂ\x9a\x01)Èç'  PRIV(owner='WM/WMCollectionID', data=b'\xd8r\xc4\xb7V\x84\xc9C\xbcs\xc2\x9a\x01)\xc8\xe7')
'PRIV:WM/WMContentID:1Y\x18\x11\x83æèB©±\x89^.ö(\x89'  PRIV(owner='WM/WMContentID', data=b'1Y\x18\x11\x83\xe6\xe8B\xa9\xb1\x89^.\xf6(\x89')
'TALB' (Album/Movie/Show title)                     'Progsoup 20'
'TBPM' (BPM (beats per minute))                     '132'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Retro Inversion'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Capsula'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Ajana'
'TRCK' (Track number/Position in set)               '38'
'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'                                  ['electronic', 'downtempo']
'TXXX:lastfmtags'                                   ['indie', 'psychill', 'ambient', 'spacestation', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.473070'

========================== row from database ==========================
                                              'id'  1415705
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 20/1161 capsula - Retro inversion.mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  495
                                           'genre'  rock-cppex-progressive
                                        'filesize'  13748339
                                           'mtime'  1620736836
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1161 capsula inversion rock cppex progressive
                                      'tag_artist'  Capsula
                                     'tag_release'  Progsoup 20
                                       'tag_title'  Retro Inversion
                                             'bpm'  132.0
                                    'search_title'  'inversion':2 'retro':1
                                   'search_artist'  'capsula':1
                                  'search_release'  '20':2 'progsoup':1
                                     'search_rest'  '1161':3 'capsula':4 'classicprogpsy':1 'cppex':7 'inversion':5 'progressive':8 'progsoup':2 'rock':6
                                    'search_combo'  '1161':8 '20':5C 'capsula':3B,9 'classicprogpsy':6 'cppex':12 'inversion':2A,10 'progressive':13 'progsoup':4C,7 'retro':1A 'rock':11
                                    'tag_tracknum'  38
                                      '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'psychill', 'ambient', 'spacestation', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1620736836.4462168  (2021-05-11 14:40:36)
                             'size'  13748339