William Tass Jones--better known as Bill T. Jones
Xavier Cugat? -
I know he was a bandleader, but he had to at least bop/dance to the music, right - gimme a break, it's 'X'!
Frankie Yankovic
("America's Polka King" must have danced the Polka!)
Igor Zelensky
Let's do languages:
Arabic
