There are 2 Danny Adler's. One of them is betetr known as SupergreenX. Please check your tags so we can keep them seperated. Danny Adler (born 1949, Cincinnati, USA) is a blues-rock guitarist. After playing with leading Cincinnati musicians, such as Bootsy Collins, Slim Harpo, H-Bomb Ferguson and Albert Washington, in the early 1960s, he went to San Francisco in 1969 to join John Lee Hooker, T-Bone Walker, Solomon Burke, and experimental group Elephant's Memory.