rags — a musical composition in ragtime: a piano rag.
shields — a broad piece of armor, varying widely in form and size, carried apart from the body, usually on the left arm, as a defense against swords, lances, arrows, etc.
fats — Antoine ("Fats") born 1928, U.S. rhythm-and-blues pianist, singer, and composer.
oils — A viscous liquid derived from petroleum, esp. for use as a fuel or lubricant.