Wallace & Gromit's Musical Marvels (also known as Wallace and Gromit at the Proms) is the name of Prom 20 of the 2012 season of The BBC Proms, which features orchestral renditions of Julian Nott's theme from Wallace & Gromit and classical music set to scenes from the Wallace & Gromit films. Wallace's voice is performed by Ben Whitehead.