 The group was founded by Lance Harvill (who went on to the "Arms if the Sun" project) and included John Luke Hebert on drums and Mike Morgan a guitarist who became Lance's mentor.In 1990, "Manta Ray" recorded a demo album at the "Dallas Sound Lab" in classic hard 'n' heavy style.In 1989, David T. Chastain, a guitarist invited Harbour to record bass parts on his instrumental solo album, "Within The Heat".