fix problems with ties and chords
fix problems with ties and chords

tradzik/musicblocks,Kachachan/musicblocks,Kachachan/musicblocks,sneh1234/musicblocks,pikurasa/musicblocks,sneh1234/musicblocks,tradzik/musicblocks,hemantkasat/musicblocks,pikurasa/musicblocks,khandelwalYash/musicblocks-1,khandelwalYash/musicblocks-1,khandelwalYash/musicblocks-1,pikurasa/musicblocks,tradzik/musicblocks,Kachachan/musicblocks,sneh1234/musicblocks,hemantkasat/musicblocks,hemantkasat/musicblocks