Jack Sheldon

Jack Sheldon is an American bebop and West Coast jazz trumpeter, singer, and actor. He is a trumpet player and was a comedian on The Merv Griffin Show, as well as the voice heard on several episodes of the educational music television series Schoolhouse Rock

Sheldon was born in Jacksonville, Florida. He originally became known through his participation in the West Coast jazz movement of the 1950s, performing and recording with such figures as Art Pepper, Gerry Mulligan, and Curtis Counce. He developed a warm dark sound, on display in soundtracks such as his solo on The Shadow of your Smile from the 1965 film The Sandpiper.

Source: Wikipedia