Mark Stuart was the lead singer of Christian Rock band Audio Adrenaline before losing his voice. Original members of Audio Adrenaline include:Will McGinniss (bass), Tyler Burkum (guitar & vocals) Ben Cissell (drums) Some of their biggest hits were Big House, Hands And Feet, Underdog, Chevette, Some Kind Of Zombie, Mighty Good Leader and Ocean Floor...and more. Audio Adrenaline started in the 1990's After Mark left Audio Adrenaline, Kevin Max (formerly of DC Talk & solo) took over as the lead singer. Kevin Max is now solo again. Mark now runs The Hands And Feet Project, a non-profit organization that cares for orphans in Haiti.