“Three Controversial Musicians”: Today’s three poems spotlight three individuals known for their musical talents, as well as the controversy they provoked.  Naomi Shihab Nye, “Cross That Line,” from You and Yours (BOA Editions, 2011), used by kind permission of the author.  Frank O’Hara, “The Day Lady Died,” from Lunch Poems (City Lights Books, 1964).  William Matthews, “Mingus at the...