fixes #831 -- preserve transposition value when nesting
fixes #831 -- preserve transposition value when nesting

eohomegrownapps/musicblocks,walterbender/musicblocks,walterbender/musicblocks,eohomegrownapps/musicblocks,Hrishi1999/musicblocks,Hrishi1999/musicblocks,eohomegrownapps/musicblocks,walterbender/musicblocks,Hrishi1999/musicblocks