In the 1950's and 1960's the Civil Rights Era was gaining momentum throughout the US. Jim Crow was finally being brought down. One of the biggest influences was music. Here are some great Black singers who had great voices.
Ben E King
These are only a FEW of the many talented African American artists who influenced music. If I didn't list one you like feel free to mention them but, don't be like where's so and so or how about etc...