7th Order is an American progressive rock & roll band whose debut "extended play" CD release, The Lake of Memory, was issued on the Big Island Sounds label in 2007 (although 7th Order had been together for several years by that time).The band has, at various times, been assisted by veteran British guitarist Martin Pugh (of Steamhammer, "The Rod Stewart Album", and Armageddon), drummers Tim Kelliher (of Randy Hansen's Machine Gun), Nick Keller, Bassist Aaron Bryan, Daniel Miller and legendary American rock guitarist Geoff Thorpe (of Vicious Rumors).