Premise: William Elden Bolcom (born May 26, 1938) is an American composer and pianist. He has received the Pulitzer Prize, the National Medal of Arts, a Grammy Award, the Detroit Music Award and was named 2007 Composer of the Year by Musical America. Bolcom taught composition at the University of Michigan from 1973–2008. He is married to mezzo-soprano Joan Morris.
Hypothesis: William Elden Bolcom is more than 70 years old