- 9 Symphonies (1 & 2 withdrawn)
- Fantasia for String Orchestra
- Cello Concerto
- Piano Concerto
- Concertato for Orchestra — "Moby Dick"
- Canto for Orchestra
- Cantata De Virtute — for Chorus, Orchestra, Childrens Chorus & Narrator
- Five Pieces for Piano
Peter Mennin Was of Italian Origin. He Ran the Peabody Conservatory in the years 1958–1963 and the Julliard School of Music in the years 1962–1983, succeeding William Schuman. Many of His works where also Premiered by Howard Hanson and the Rochester Philharmonic Orchestra.