The Kurzweil PC4 Performance Controller is now available in a 76-note design. Explore, Create and Perform! Kurzweil Music Systems was founded in 1982 by Ray Kurzweil, who was inspired by Stevie Wonder after having collaborated on a reading machine for the blind. In 1983 the Kurzweil K250 was considered the first successful attempt to realistically emulate the sound of a grand piano. Since then, Kurzweil has been renowned for being a major innovator in the music tech industry and continues today stronger than ever under the proven leadership of Hyundai Development Co.