Grogan has played alongside notable jazz musicians Rex Hall, Mitch Woods, Dan Hicks, Dave Bell and the Grateful Dead's Bob Weir. He is a master of many stringed instruments including the banjo, dobro, guitarist, and mandolin. He has played in several bands including Mitch Woods and His Rocket 88s, Rhythmtown Jive, The Christmas Jug band and Those Damn Accordians!.