Little Sonny, born Aaron Willis in 1932, is an American blues musician known for his proficiency on the harmonica. His distinctive style fuses elements of blues and soul, a sound that can be heard on his influential song "Memphis B-K." Over his career, he has released several albums under the Enterprise and Stax Records labels, with "Black & Blue" and "New King of Blues Harmonica" among his most significant works. Little Sonny's contributions to the blues genre have cemented his place in music history.