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 (TV series) former Motown/Stax backing vocalists Telma Hopkins and Joyce Vincent Wilson to become Dawn. The threesome then went on the road after "Candida" and "Knock Three Times". After a tour of Europe, Hopkins and Vincent assumed background vocal duties in the studio as well. They were joined in the studio by Vincent's sister Pamela Vincent, who in addition to singing, arranged all the backing vocals. Prior touring commitments with Aretha Franklin prevented Vincent from appearing with Dawn on tour. The first single with their voices in the background was "Runaway/Happy Together" in 1972. The group (now billed as 'Dawn featuring Tony