William Tannen: William Tannen. Writer: Cover-Up. Raised in New York City, Bill graduated from Boston University and returned to New York to pursue a career in advertising. He created the famous "Girl Watchers" theme/campaign for Diet Pepsi Cola written by Sid Ramin. The campaign won 4 Clio's and the musical theme became a hit record produced by Bob Crewe of The Four Seasons and covered by over 100 artists. Bill then founded...