JD Simo & Greg Koch - EPIC JAM @ Metropoulos, Whitfill, Sono-Tone showcase
19:51
JD Simo, Greg Koch and Dean Smith EPIC jam - July 2017
14:08
Greg Koch. Unrepentant / Sweet Tea. January 27th, 2020.
5:27
A Sad Moment in American History
18:54
Eric Gales and Greg Koch Jam at the John Page Classic Booth • NAMM 2017
20:49
( Bartender’s Blues / Night Train ) Tab Benoit w/ JD Simo Oklahoma City, Oklahoma. 3/04/2024
16:01
Pro Bassist Learns RUSH As Fast As Possible
18:44
Koch-Marshall Trio | Live | Thomann Sessions
5:52