Mickey Hart (born Michael Steven Hartman, September 11, 1943) is an American percussionist. He is best known as one of the two drummers of the rock band Grateful Dead. He was a member of the Grateful Dead from September 1967 until February 1971, and again from October 1974 until their final show in July 1995. He and fellow Dead drummer Bill Kreutzmann earned the nickname "the rhythm devils". Description above from the Wikipedia article Mickey Hart, licensed under CC-BY-SA, full list of contributors on Wikipedia.