They soon discovered that Jay "heard music in his head" .he began to compose music at age three.By age ten,he was attending the well-known Juilliard Conservatorry in New York,composing full symphonies.Jay was noted not for the quality of his misical work,but also the speed at which he was able to produce it.That is,while talented professional composers normally write five or six symphonies in a lifetime,Jay wrote five by the age of 12.