======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '245'
                                          'artist'  'Prof. Wolfff'
                                     'text_people'  ''
                                         'release'  'progsoup 15'
                                           'title'  'Missverstdndnis'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'krautrock', 'german', 'germany']"
                                     'discogstags'  "['krautrock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '91.805'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'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 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00 \x00&\x00 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x005\x002\x008\x003\x002\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x005\x002\x008\x003\x002\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ò¥\x00kvP\rE\x82;m|Þa(÷'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd2\xa5\x00kvP\rE\x82;m|\xdea(\xf7')
'PRIV:WM/WMCollectionID:Ò¥\x00kvP\rE\x82;m|Þa(÷'    PRIV(owner='WM/WMCollectionID', data=b'\xd2\xa5\x00kvP\rE\x82;m|\xdea(\xf7')
'PRIV:WM/WMContentID:´²o\nÉexL·\x07\x0b\x87^¿\nq'   PRIV(owner='WM/WMContentID', data=b'\xb4\xb2o\n\xc9exL\xb7\x07\x0b\x87^\xbf\nq')
'TALB' (Album/Movie/Show title)                     'progsoup 15'
'TBPM' (BPM (beats per minute))                     '91.805'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Missverstdndnis'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prof. Wolfff'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Metronome'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['krautrock', 'rock']
'TXXX:lastfmtags'                                   ['progressive rock', 'krautrock', 'german', 'germany']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.493494'

========================== row from database ==========================
                                              'id'  1414341
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 15/865 prof wolfff - Missverständnis.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  245
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  5897866
                                           'mtime'  1620736545
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 865 prof wolfff Missverständnis rock cppex progressive;set pl progspace
                                      'tag_artist'  Prof. Wolfff
                                     'tag_release'  progsoup 15
                                       'tag_title'  Missverstdndnis
                                             'bpm'  91.805
                                    'search_title'  'missverstdndnis':1
                                   'search_artist'  'prof':1,2 'wolfff':3
                                  'search_release'  'progsoup':1
                                     'search_rest'  '865':3 'classicprogpsy':1 'cppex':9 'missverstandnis':6,7 'pl':14 'prof':4 'progressive':10,12 'progsoup':2 'progspace':15 'rock':8 'set':11,13 'wolfff':5
                                    'search_combo'  '865':8 'classicprogpsy':6 'cppex':14 'missverstandnis':11,12 'missverstdndnis':1A 'pl':19 'prof':2B,3B,9 'progressive':15,17 'progsoup':5C,7 'progspace':20 'rock':13 'set':16,18 'wolfff':4B,10
                                    'tag_tracknum'  29
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'krautrock', 'german', 'germany']
                                        'tag_date'  1971
                                     'discogstags'  ['krautrock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736544.654268  (2021-05-11 14:35:44)
                             'size'  5897866