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Johnny Contardo (born December 23, 1951) is a former singer with the musical group Sha Na Na, which he left in 1983. In 1978, he appeared with Sha Na Na in the movie musical Grease as Johnny Casino and the Gamblers. His performance of the song "Those Magic Changes" was featured in the film and on the soundtrack for Grease .
After graduating from Brookline High School in 1969, Johnny attended the Boston Conservatory of Music, studying voice, acting, and dance. [1]
Johnny joined Sha Na Na in 1971. The television show Sha Na Na , aired from 1977 to 1981. [2]