The celesta (pronounced se-lest-a or cheh-lest-a) is a keyboardmusical instrument found in symphonyorchestras. The keys on the celesta are connected to rods which strike metal bars similar to those found on the glockenspiel. The most famous use of the celesta is in the Dance of the Sugarplum Fairy from Tchaikovsky'sballet, The Nutcracker.