It's Hump Day P.O.U. Family. This week 's open thread is dedicated to well-known African-American Opera Singers. Robert Keith McFerrin Sr. (March 19, 1921 – November 24, 2006) was an operatic baritone and the first African-American man to sing at theMetropolitan Opera in New York City. His voice was described by critic Albert Goldberg in the Los Angeles Times as … [Read more...] about Wednesday Open Thread- African-American Opera Singers