The Lyre of Orpheus, novel by Robertson Davies, published in 1988. The book is the third in the so-called Cornish trilogy, which also includes The Rebel Angels (1981) and What’s Bred in the Bone (1985). This fable about the nature of artistic creation has two major plot lines. One thread concerns the production of an unfinished opera said to have been written by the German writer, composer, and painter E.T.A. Hoffmann. The other concerns the discovery that famous art collector Francis Cornish passed off one of his own paintings as a 16th-century masterpiece.