He has written three symphonies, three piano concertos, and numerous works for piano and chamber ensemble. Raymond Leppard and the Indianapolis Symphony premiered his Symphony: Winter Lightning. The Moscow and St. Petersburg Symphonies premiered respectively his Piano Concertos 1 and 2 with the composer as soloist. The Gregg Smith Singers premiered his Sleeping at Last for mixed chorus and solo cello. Mr. Jacob's Persistence of Memory was premiered by the Cleveland Chamber Symphony at the 1999 College Music Society National Convention, and was selected by the Charles Ives Center for American Music for a performance by the Charleston Symphony at the 2002 Charleston Spoleto Festival. Other works have been premiered and recorded by the Orquesta de Baja California, the Chamber Orchestra of the Rhein, the North Czech Philharmonic, the Cavani Quartet and sopranos Mary Nessinger and Laurel Thomas. Two CDs of Mr. Jacob's orchestral music have been released by Centaur Records and Vienna Modern Masters, and recordings of individual works appear on several labels including Albany, Opus One, Capstone, and New Ariel. Currently Artist-in-Residence at Saint Mary's College, Notre Dame, Indiana, he received the 2002 Artist of the Year Award from the International New Music Consortium at New York University for his work as composer, pianist and educator.