This paper transformed 20th-century music in the history of music in 20th-century, the most unique and progressive musical changes were trying to Henry Cowell`s life and music, his influence were investigated. Always have a soft spot for something new, he was young from living a unique life experience and a variety of culture exposed to. The result was to have his own unique musical style. Two attempted Cowell`s piano technique fold folk music in the world, and created a new sound with their own unique technique and tried fusion. Announced when they open their to new ideas, and broadened his musical Width many people interact with a wide range of new music and a era of their music, including through education, music, Society and published. Cowell`s music plays an important role in history of music since.