This is strange. Curious about the various stars Marni Nixon has dubbed for I began reading an article from June, 2013. Included is the following:
"She also went on to have concert success, toured for years with Liberace, and hosted Boomerang, a popular children's television show in Seattle. (A son, Andrew Gold, who died in 2011, was a recording star in his own right, with the hit single Lonely Boy and the theme to TV's Golden Girls, Thank You for Being a Friend)."