Sentence:  In all his miscalculations , Stravinsky made the fatal historical blunder of presuming that he could <WSD>transform</WSD> other composers ' inspirations - representing many peoples , time periods and styles - into his own music by warping the harmony , melody , or form , to verify his own experiments . 
Meaning of the word marked with <WSD> tags:  change or alter in form, appearance, or nature