Nino Tempo & April Stevens are an American brother-sister duo known for their blend of pop, rock, and jazz music. Emerging in the early 1960s, their unique sound combines Nino's proficiency in jazz and saxophone with April's rich, sultry vocals. Their most famous hit, "Deep Purple", won them a Grammy Award for Best Rock and Roll Record in 1963. As pioneers of the pop-rock genre, their influence on subsequent sibling-based musical acts is notable.