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.

Tommy Shannon is an American bass guitarist, who is best known as a member of Double Trouble, a blues rock band led by Stevie Ray Vaughan. Born in Tucson, Arizona, Shannon moved to Dumas, Texas when he was nine, where he originally started as a guitarist, though he started playing bass at the age of 21. He appeared with Johnny Winter at Woodstock in 1969. He later joined Double Trouble in 1981 and became a permanent member of Double Trouble until Vaughan's death in 1990. Shannon and bandmate Chris Layton later formed supergroups such as the Arc Angels.