- Robert S. Rosengard
(b Forestburgh, NY, June 3, 1981). American composer and pianist. He studied piano from age seven, composed his first musical by age 13, and went on to write, produce, and perform as music director for four musicals each subsequent year. A 1999 graduate of Port Jervis, New York High School, Mack attended Vanderbilt University, where he studied piano with Craig Nies. He won the university’s concerto competition in ...