Brock, a skilled drummer, percussionist, and composer, has toured and recorded with a wide range of artists like Wayne Kramer, Marshall Crenshaw, Reeves Gabrels, Zakk Wylde, Jill Sobule, Mike Watt, Brian James, John Sinclair, also Modern English, Brand X, Gun Club, Liquid Jesus, Joy Killer, and Tex and the Horseheads. Equally at home with Americana and roots music, avant garde rock, heavy metal, straight-ahead jazz and free improvisation, he’s always willing to go where the pocket leads, and with Gruppo, that can be almost anywhere.