Shut Your Mouth.Richard Roundtree's 1972 foray into the world of singing would probably have been laughable, were it not for the presence of genius producer and co-writer Eugene McDaniels—the man responsible for Roberta Flack's "Feel Like Makin' Love" and a ton of great work with Les McCann, Nancy Wilson, Jimmy Smith, Universal Jones, Bobby Hutcherson and others, as well as his own classics Outlaw and Headless Heroes of the Apocalypse.