sentence: elephant9 ( established 2006 in oslo , norway ) is a norwegian progressive/neo-psychedelic / jazz-rock trio which formed in 2006 under the name storløkken / eilertsen/lofthus , for the members of the band , namely ståle storløkken ( keyboard ) , nikolai eilertsen ( bass ) and torstein lofthus ( drums ) , but changed the name to elephant9 after the first year together .