John Henry Creach, better known as Papa John Creach, was an American blues violinist who also played classical, jazz, R&B, pop and acid rock music. Early in his career, he performed as a journeyman musician with Louis Armstrong, Fats Waller, Stuff Smith, Charlie Christian, Big Joe Turner, T-Bone Walker, Nat King Cole and Roy Milton.

Joseph Edward Covington was an American drummer, best known for his involvements with Jefferson Airplane, Hot Tuna and Jefferson Starship.