Don Preston is an American musician and composer, best known for his work as a keyboardist and electronic music pioneer. He gained prominence in the 1960s and 1970s, particularly for his contributions to the band The Mothers of Invention, led by Frank Zappa. His innovative use of synthesizers and other electronic instruments helped shape the sound of progressive rock. In addition to his work with The Mothers of Invention, Preston has collaborated with various artists and bands throughout his career. He is recognized for his unique style, blending jazz, rock, and avant-garde music, which has influenced many musicians in the electronic genre.