Leon Redbone
Redbone sang the theme to the television series Mr. Belvedere.  He was a semi-regular musical guest on NBC's Saturday Night Live throughout the late 1970s. He last appeared on the show in 1983.  During the 1980s and '90s, Redbone was a frequent guest on The Tonight Show Starring Johnny Carson. He has also been a guest on A Prairie Home Companion (radio broadcast).