Mark and Rafael Rodriguez

Ricki Medlock and Mark

Steve Vai and Ken

Ken and Paul Gilbert

Ken and Billy Sheehan

Ken and Joe Satrioni

Mark, Frank McDaniels, Dale Stack, and Tom (Bones) Malone

Mark, Jon Hoover, and Tom (Bones) Malone

Tom (Bones) Malone, Jon Hoover, and Mark

Ken with Jonny Lang

Mark, Ken, and Jonny Lang

Mark, Ken, and Jonny Lang

Ken, Jonny Lang, and Mark

Jonny Lang and Mark

Jonny Lang with Mark

Jonny Lang with Mark and Ken

Mark and Paul Testa

Sara Evans (country western singer) with Mark

Billy Gibbons and Ken

Ken with Billy Gibbons