A Grape Dope is a moniker of John Herndon, drummer, music producer, and founding member of the iconic musical group Tortoise. His discography includes recordings with Tortoise, Isotope 217, Five Style, The For Carnation, Starlicker, Exploding Star Orchestra, Pulsar Quartet, Poster Children, Ray Barbee, Precious Wax Drippings, Bumps, Birdband, From Beyond, The Eternals, Powerhouse Sound, Deep Puddle Dynamics, Kjetil Moster, and more.