Highly popular comedian Jack Benny signed-in as "Kubelsky", his family birth name, and was introduced to the audience as a 'Concert Violinist', the instrument that had become his trademark since childhood. Benny was in New York City for a series of concerts.
Vince Edwards's starring series 'Ben Casey (1961)' had just ended its five-season run, on March 21, 1966. Throughout his career, Edwards had also released several music albums and was in New York City for a singing engagement at the Copacabana nightclub.