Dave Appell Kal Mann, songs such as "Let's Twist Again", "Bristol Stomp", "Mashed Potato Time" and "South Street". These were the years of the twist and other dance crazes, in the launching of which Appell played a vital role. Appell left Cameo in 1964. In the 1970s he had success with his productions for Tony Orlando and Dawn, including the # 1 hits "Knock Three Times" (1970) and "Tie a Yellow Ribbon Round the Ole Oak Tree" (1973), on Bell Records in New York City. Appell's co-producer OF THE TIME was Hank Medress, a founding member of The Tokens musical group. Appell
Tony Orlando and Dawn whom he had hired to work as background vocalists while producing Barry Manilow in the late 1960s, to become Dawn. The threesome then went on the road in 1971, on the success of "Candida" and "Knock Three Times". After a tour of Europe, Hopkins and Vincent assumed background vocal duties in the studio, first recording on the late 1971 album "Dawn Featuring Tony Orlando". They were joined in the studio by Vincent's sister Pamela Vincent, who sang and arranged the backing vocals. Touring commitments with Aretha Franklin prevented Vincent from appearing with Dawn on tour. The first single with their