Besides Louis Armstrong, Nat King Cole, Dizzy Gillespie, Chet Baker and many pianists like Shirley Horn, Matt Dennis, Blossom Dearie, Bobby Troup and others who played and sang at clubs, a good number of jazz musicians could sing quite well. Here are eight:
Here's trombonist Jack Teagarden playing and singing It's All in Your Mind...
Here's pianist Oscar Peterson singing and playing Orange Colored Sky...
Here's drummer Grady Tate singing and playing Suicide Is Painless, the theme to M*A*S*H...
Here's trumpeter Kenny Dorham singing and playing Angel Eyes...
Here's George Benson playing and singing Beyond the Sea...
Here's trumpeter Jack Sheldon singing and playing What Kind of Fool Am I in 1964...
Here's saxophonist James Moody singing and playing Moon River...
And here's Buddy Rich singing One for My Baby...