Marva Whitney

Marva Whitney (born Marva Ann Manning; May 1, 1944 – December 22, 2012) was an American funk singer commonly referred to by her honorary title, Soul Sister #1. Whitney was considered by many funk enthusiasts to be one of the "rawest" and "brassiest" music divas. Her most famous song is a response to the Isley Brothers' hit "It's Your Thing" titled "It's My Thing".