Malcolm "Papa Mali" Welbourne is an American record producer, guitarist, singer, and songwriter who grew up in Shreveport, Louisiana, United States, and lives in New Orleans, Louisiana, United States.

Ruthie Cecelia Foster is an American singer-songwriter of blues and folk music. She mixes a wide palette of American song forms, from gospel and blues to jazz, folk and soul. She has often been compared to Bonnie Raitt and Aretha Franklin. Foster has been nominated for multiple Grammy Awards for Best Blues Album and Best Contemporary Blues Album.