Looking for an old cartoon about swamp creatures singing a jazz song?

It came on TCM a few years ago before a movie that I was watching with my mom and I think two frogs were getting married and it was pretty long about ten minutes I think and they sang a jazz song. I'd really like to watch it again. Does anyone know what I'm talking about? And it wasn't the WB frog either. It was just random frogs and alligators and turtles and things like that.