Gun

Gun was a late 1960s British rock guitar trio who had a single British Top Ten hit, "Race with the Devil" and recorded two albums before disbanding. Two of its founders, brothers Paul Gurvitz and Adrian Gurvitz, later took the name Three Man Army recording 3 albums. After joining up with Ginger Baker (Cream, Blind Faith) as Baker Gurvitz Army the trio recorded three albums, Baker Gurvitz Army, Elysian Encounter & Hearts On Fire. During the same time the Gurvitz brothers recorded 2 albums with drummer Graeme Edge of The Moody Blues - Kick Off Your Muddy Boots and Paradise Ballroom - under the name The Graeme Edge Band. This was not a touring band. It also featured Ginger Baker.

source: Wikipedia