======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '314'
                                          'artist'  'Kayak'
                                     'text_people'  'Johan Slager/Pim Koopman/Ton Scherpenzeel'
                                         'release'  'progsoup 17'
                                           'title'  'Mouldy Wood'
                                           '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-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['art rock', 'symphonic rock', 'progressive rock', 'rock', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '94.415'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000007B9 000007AB 00001FEE'
'COMM:iTunNORM:eng'                                 (' 000007B9 000007AB 00001FEE 00003289 000445EE 00033467 00008000 00008000 '
 '00046CD0 00046CD0')
'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 \x004\x002\x001\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x006\x003\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x002\x001\x005\x007\x009\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x004\x002\x001\x003\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x006\x003\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x002\x001\x005\x007\x009\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:r7Õ\x8cú¯§N\x86¨á\x17\t\x1b$2'  PRIV(owner='WM/WMCollectionGroupID', data=b'r7\xd5\x8c\xfa\xaf\xa7N\x86\xa8\xe1\x17\t\x1b$2')
'PRIV:WM/WMCollectionID:r7Õ\x8cú¯§N\x86¨á\x17\t\x1b$2'  PRIV(owner='WM/WMCollectionID', data=b'r7\xd5\x8c\xfa\xaf\xa7N\x86\xa8\xe1\x17\t\x1b$2')
'PRIV:WM/WMContentID:IÁ¨,ä\x7f\x04L½\x93åR¹[0Ý'     PRIV(owner='WM/WMContentID', data=b'I\xc1\xa8,\xe4\x7f\x04L\xbd\x93\xe5R\xb9[0\xdd')
'TALB' (Album/Movie/Show title)                     'progsoup 17'
'TBPM' (BPM (beats per minute))                     '94.415'
'TCOM' (Composer)                                   'Johan Slager/Pim Koopman/Ton Scherpenzeel'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace', 'set-pl-progspace']
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Mouldy Wood'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kayak'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Harvest'
'TRCK' (Track number/Position in set)               '28'
'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:lastfmtags'                                   ['art rock', 'symphonic rock', 'progressive rock', 'rock', 'dutch']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.530834'

========================== row from database ==========================
                                              'id'  1414373
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 17/975 kayak - mouldy wood.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  314
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  7551818
                                           'mtime'  1620736664
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 975 kayak mouldy wood rock cppex progressive;set pl progspace
                                      'tag_artist'  Kayak
                                     'tag_release'  progsoup 17
                                       'tag_title'  Mouldy Wood
                                             'bpm'  94.415
                                    'search_title'  'mouldy':1 'wood':2
                                   'search_artist'  'kayak':1
                                  'search_release'  'progsoup':1
                                     'search_rest'  '975':3 'classicprogpsy':1 'cppex':8 'kayak':4 'mouldy':5 'pl':13 'progressive':9,11 'progsoup':2 'progspace':14 'rock':7 'set':10,12 'wood':6
                                    'search_combo'  '975':7 'classicprogpsy':5 'cppex':12 'kayak':3B,8 'mouldy':1A,9 'pl':17 'progressive':13,15 'progsoup':4C,6 'progspace':18 'rock':11 'set':14,16 'wood':2A,10
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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'  ['art rock', 'symphonic rock', 'progressive rock', 'rock', 'dutch']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736663.6852496  (2021-05-11 14:37:43)
                             'size'  7551818