It was announced that Keith Emerson, from the successful Progressive Rock group, Emerson, Lake and Palmer passed away at the age of 71 due to a self-inflicted gunshot in his home in Santa Monica, California. Emerson was regarded as one of the best keyboardist player in rock and roll history, first as a member of the Nice, and then with ELP, the perfect vehicle for him (along with Greg Lake and Carl Palmer) to showcase his talent. After a spectacular set at the Isle of Wight festival, ELP was signed with Atlantic and would put out three Prog Rock staples,…