======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '261'
                                          'artist'  'Katatonia'
                                     'text_people'  'Jonas Renske/Nyström'
                                         'release'  'Progsoup 39'
                                           'title'  'Leaders'
                                           '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'  ("['depressive rock', 'metal', 'doom metal', 'progressive metal', 'gothic "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '53'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '133.403'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{$\x00\x00'                      PRIV(owner='AverageLevel', data=b'{$\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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: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 \x008\x002\x000\x003\x006\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x002\x004\x008\x004\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x007\x006\x005\x002\x005\x008\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x008\x002\x000\x003\x006\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x002\x004\x008\x004\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x007\x006\x005\x002\x005\x008\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:òÒÒ5\t\x00nB\x90Ð\x1c\x85\x11¨\x11\x91'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xf2\xd2\xd25\t\x00nB\x90\xd0\x1c\x85\x11\xa8\x11\x91')
'PRIV:WM/WMCollectionID:òÒÒ5\t\x00nB\x90Ð\x1c\x85\x11¨\x11\x91'  PRIV(owner='WM/WMCollectionID', data=b'\xf2\xd2\xd25\t\x00nB\x90\xd0\x1c\x85\x11\xa8\x11\x91')
'PRIV:WM/WMContentID:Å£\x0cd_ßZB\xadp\x01<\x95!%Ä'  PRIV(owner='WM/WMContentID', data=b'\xc5\xa3\x0cd_\xdfZB\xadp\x01<\x95!%\xc4')
'TALB' (Album/Movie/Show title)                     'Progsoup 39'
'TBPM' (BPM (beats per minute))                     '133.403'
'TCOM' (Composer)                                   'Jonas Renske/Nyström'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Leaders'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Katatonia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Peaceville/Snapper'
'TRCK' (Track number/Position in set)               '53'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['depressive rock', 'metal', 'doom metal', 'progressive metal', 'gothic metal']
'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'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.413863'

========================== row from database ==========================
                                              'id'  1410518
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 39/2299 katatonia - leaders.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  261
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  4180856
                                           'mtime'  1620737323
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2299 katatonia leaders rock cppex progressive;set pl progspace
                                      'tag_artist'  Katatonia
                                     'tag_release'  Progsoup 39
                                       'tag_title'  Leaders
                                             'bpm'  133.403
                                    'search_title'  'leaders':1
                                   'search_artist'  'katatonia':1
                                  'search_release'  '39':2 'progsoup':1
                                     'search_rest'  '2299':3 'classicprogpsy':1 'cppex':7 'katatonia':4 'leaders':5 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11
                                    'search_combo'  '2299':7 '39':4C 'classicprogpsy':5 'cppex':11 'katatonia':2B,8 'leaders':1A,9 'pl':16 'progressive':12,14 'progsoup':3C,6 'progspace':17 'rock':10 'set':13,15
                                    'tag_tracknum'  53
                                      'num_images'  0
                                             'key'  3A
                                           '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'  ['depressive rock', 'metal', 'doom metal', 'progressive metal', 'gothic metal']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737323.4808033  (2021-05-11 14:48:43)
                             'size'  4180856