Stern Conservatory
Hirsch was born in New York City. In his senior year at the City College of New York, Hirsch traveled to Europe to study piano at Berlin's Stern Conservatory, with pianist Rafael Joseffy. He returned to the U.S. in 1906 and began working as a staff pianist in the Tin Pan Alley publishing houses of Gus Edwards, and Shapiro-Bernstein. He also began to write some of his own music.