OOH, OOH, I KNOW -- Big Mama Thornton! Never heard a lot of her, but what I heard is good.
Talk about a ground breaker,I love her.

Big Mama Thornton - HOUND DOG!! Orig. 1953 Peacock 78RPM

Youtube used to have lots of her wailing on guitar but for some reason their all gone.

plus one of my favorite unknown Airplane songs ("We Can Be Together"... god, I love that song...
My favorite airplane song. You play the reprise(volunteers) right after it and really get goin