pt. I. Compositions: v. 1-2. Famous compositions for the piano; v. 3. Famous songs.--pt. II. Encyclopedia; v. 1. A history of music; special articles; great composers; v. 2. Religious music of the world; vocal music and musicians; the opera; history and guide; v. 3. The theory of music; piano technique; special articles; modern instruments; anecdotes of musicians; dictionary (musical terms and biography).