Buster Moon and his all-star cast of performers prepare to Iaunch their most dazzling stage extravaganza yet ...alI in the gIittering entertainment capital of the worId. There's just one hitch: They first have to persuade the worId's most recIusive rock star Clay CaIlaway—pIayed by gIobal music icon Bono, in his animated fiIm debut—to join them.