martina arroyo
Martina Arroyo (born February 2, 1937) is an operatic soprano of Puerto Rican and African-American descent who had a major international opera career during the 1960s through the 1980s. She was part of the first generation of black opera singers to achieve wide success and is viewed as part of an instrumental group of performers who helped break down the barriers of racial prejudice in the opera world.