Greg Koch - Koch Marshall Trio - with David Grissom Shank Hall 03/30/18 Welchz Grape

Greg Koch - Koch Marshall Trio - with David Grissom Shank Hall 03/30/18 Skimming the Surface

Greg Koch - Koch Marshall Trio - New Glarus WI Blues Fest - 07/19/25

Steel guitarist and Saxophonist killing! The Chosen Levites playing Glory Glory

Greg Koch With Jeff Kollman. Welchz Grape. January 27th, 2020.

David Grissom "What Passes For Love" recorded live 10/01/2019

Greg Koch Band - Way Back Home - Milwaukee, WI - March 16, 2017 LIVE

Greg Koch - Koch Marshall Trio - with David Grissom Shank Hall 03/30/18 Funk Meat

Umbria blues David Grissom + Jam with Matt Schofield, Jeff McErlain e Christine Tambakis

David Grissom My approach to getting great electric guitar sounds.

Joe Bonamassa ‘Pack It Up’ featuring Greg Koch and Josh Smith in Milwaukee, WI USA - 2.19.25

Greg Koch - Koch Marshall Trio - Shank Hall 11/18/22

Greg Koch. Unrepentant / Sweet Tea. January 27th, 2020.

DAVID GRISSOM Full Show 10/29/13

Greg Koch - Koch Marshall Trio - WMSE Local/Live at Anodyne Coffee 03/04/25

JD Simo & Greg Koch - EPIC JAM @ Metropoulos, Whitfill, Sono-Tone showcase

"In Memory of Elizabeth Reed" with David Grissom

Professional Guitar Program Masterclass mit Greg Koch

JAM pedals | Koch Ness Monster Supreme | Greg Koch Signature Multipedal

Greg Koch & The Koch/Marshall Trio @ Visioninmusica 2018

David Grissom at Saxon pub 092623