Christopher Layton, also known as "Whipper", is an American drummer who rose to fame as one of the founding members of Double Trouble, a blues rock band led by Stevie Ray Vaughan.

David Grissom is an American guitarist who has played and toured with several of America's leading bands and recording artists. He is best known for his work with John Mellencamp. He has released four solo albums: Loud Music, 10,000 Feet, Way Down Deep, and How It Feels to Fly. Grissom uses a PRS guitar and has for most of his career.