Nino Tempo & April Stevens (Antonino and Carol Vincinette LoTempio) are a brother and sister singing act from Niagara Falls, New York. Formed in the early 1960s when Nino Tempo and April Stevens signed as a duo with Atco Records, they had a string of Billboard hits and earned a Grammy Award as \"best rock & roll record of the year\" for the single \"Deep Purple\".