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

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

Josh Smith's AMAZING GUITAR COLLECTION

Greg Koch And Josh Smith. Folsom Prison Blues. January 27th, 2020.

Koch-Marshall Trio | Live | Thomann Sessions

Metropoulos Super-Plex - March 2020

That Pedal Show band with Andy Timmons - playing live at Fat Lil's 25.6.22

Professional Guitar Program Masterclass mit Greg Koch

NAMM 2017: Eric Gales & Cody Wright Live At The Dunlop Booth

What Amateurs Don't Understand About Guitar Tone

( Bartender’s Blues / Night Train ) Tab Benoit w/ JD Simo Oklahoma City, Oklahoma. 3/04/2024

J.D. Simo talks about getting the fingers into shape

Guy King, Josh Smith, Greg Koch, Nick Moss - Buzz Me Baby - 6/5/17 Space - Evanston, IL

Greg Koch & The Koch Marshall Trio Feat. Matt Schofield 9 22 2022 4K

Metropoulos Supa-Boost demo - Marshall Lead 12

Eric Gales and Greg Koch Jam at the John Page Classic Booth • NAMM 2017

JD Simo & Luther Dickinson - Barbara's Lair - 9/19/24 Iridium - NYC

Greg Koch - Mind Blowing Jam

Greg Koch & The Koch/Marshall Trio @ Visioninmusica 2018

Greg Koch with J.D. Simo-Blue Sky live in Delafield,WI 8-6-15

Gristletime! Greg Koch from the Orange Room | Replay