======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '471'
                                          'artist'  'Wallenstein'
                                     'text_people'  ''
                                         'release'  'progsoup 49'
                                           'title'  'Song of Wire'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'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-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['german', 'krautrock', 'progressive rock', 'psychedelic rock', 'symphonic "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '115.987'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x008\x002\x008\x001\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x001\x003\x001\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x009\x005\x000\x000\x005\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x008\x002\x008\x001\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x001\x003\x001\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x009\x005\x000\x000\x005\x007\x00\x00\x00')
'PRIV:ZuneAlbumArtistMediaID:\x00\x00S>\x00\x06Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x00S>\x00\x06\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneAlbumMediaID:\x00U\xa0\x01\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumMediaID', data=b'\x00U\xa0\x01\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:\x0féd6¤A`O\x98ýe\x7ffÆ\r3'  PRIV(owner='ZuneCollectionID', data=b'\x0f\xe9d6\xa4A`O\x98\xfde\x7ff\xc6\r3')
'PRIV:ZuneMediaID:\x00U\xa0\x0b\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x00U\xa0\x0b\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneUserEditedFields:\x04\x00\x00\x00'        PRIV(owner='ZuneUserEditedFields', data=b'\x04\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'progsoup 49'
'TBPM' (BPM (beats per minute))                     '115.987'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Song of Wire'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wallenstein'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '30'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['german',
 'krautrock',
 'progressive rock',
 'psychedelic rock',
 'symphonic rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.602891'

========================== row from database ==========================
                                              'id'  1414946
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 49/2795 wallenstein - song of wire.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  471
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  9424119
                                           'mtime'  1620737515
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2795 wallenstein song wire rock cppex progressive;set pl progspace
                                      'tag_artist'  Wallenstein
                                     'tag_release'  progsoup 49
                                       'tag_title'  Song of Wire
                                             'bpm'  115.987
                                    'search_title'  'of':2 'song':1 'wire':3
                                   'search_artist'  'wallenstein':1
                                  'search_release'  '49':2 'progsoup':1
                                     'search_rest'  '2795':3 'classicprogpsy':1 'cppex':8 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12 'song':5 'wallenstein':4 'wire':6
                                    'search_combo'  '2795':9 '49':6C 'classicprogpsy':7 'cppex':14 'of':2A 'pl':19 'progressive':15,17 'progsoup':5C,8 'progspace':20 'rock':13 'set':16,18 'song':1A,11 'wallenstein':4B,10 'wire':3A,12
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  11A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'krautrock', 'progressive rock', 'psychedelic rock', 'symphonic rock']
                                        'tag_date'  1973
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737514.737464  (2021-05-11 14:51:54)
                             'size'  9424119