Frank Zappa, American singer-songwriter, guitarist, and producer (born 1940)

Frank Vincent Zappa was an American composer, guitarist, bandleader, actor, comedian, satirist, filmmaker, activist and freedom of speech advocate. In a career spanning more than 30 years, Zappa composed rock, pop, jazz, jazz fusion, orchestral and musique concrète works; he additionally produced nearly all the 60-plus albums he released with his band the Mothers of Invention and as a solo artist. His work is characterized by nonconformity, improvisation sound experimentation, musical virtuosity and satire of American culture. Zappa also directed feature-length films and music videos, and designed album covers. He is considered one of the most innovative and stylistically diverse musicians of his generation.