Nolan Ira Gasser (born November 10, 1964) is an American composer, pianist, and musicologist. He is the chief musicologist for Pandora Media, Inc. and the architect of the Music Genome Project, the proprietary musical analysis system that underlies the popular Internet radio service. His classical compositions have been performed by orchestras, chamber ensembles, and soloists around the world, in such venues as Carnegie Hall, the Kennedy Center, and the Rose Bowl.