Musicologist and composer Mark DeVoto is an expert in early 20th-century music. A graduate of Harvard College (1961) and Princeton University (Ph.D., 1967), he is professor emeritus of music at Tufts University. He wrote the revised fourth (1978) and fifth (1987) editions of Harmony by his teacher Walter Piston, and in 1997 edited the Altenberg Lieder, op. 4, for the new edition Alban Berg's complete works. In 2004 he published Debussy and the Veil of Tonality: Essays on his Music, and in 2011 Schubert's Great C Major: Biography of a Symphony, both with Pendragon Press.