1. Sinfonia concertante for orchestra with pianoforte (quasi obbligato) Creator: Walton, William, 1902-1983, composer Published / Created: [circa 1927] Call Number: GEN MSS VOL 996 Image Count: 2 Resource Type: notated music Found in: Beinecke Rare Book and Manuscript Library > Sinfonia concertante for orchestra with pianoforte (quasi obbligato)