BBC Radio 3 broadcast a documentary show about the "The Black Cantor", Thomas La Rue Jones, who swept the Yiddish stage in the 1920s.  Listen to Prof. Gil Ribak who is interviewed in this Sunday Feature.

https://www.bbc.co.uk/sounds/play/m001l4lh
Sunday Feature - The Black Cantor - BBC Sounds
The story of a Black tenor who sang Jewish music in America in the early 20th century.
www.bbc.co.uk