Update pitchstaircase.js
Update pitchstaircase.js

General cleanup
walterbender/musicblocks,Hrishi1999/musicblocks,sachi-d/musicblocks,eohomegrownapps/musicblocks,walterbender/musicblocks,eohomegrownapps/musicblocks,Hrishi1999/musicblocks,sachi-d/musicblocks,Hrishi1999/musicblocks,eohomegrownapps/musicblocks,walterbender/musicblocks,sachi-d/musicblocks