Greg Koch clinic at Copenhagen Guitar Show 2013
53:11
Greg Koch at The Copenhagen Guitar Show 2016
1:11:40
The Captain Meets Greg Koch - 2019
1:07:57
Greg Koch - Not So Slight Return! [JAM Koch Ness Monster, New S-Shaped Reverend & More]
1:24:34
TrueFire Live: Fareed Haque
2:21:39
Steve Vai Live Clinic & Interview w/ Andy Aledort at The Music Zoo
18:27
Greg Koch explains Chicken Picking and Travis Picking (Tutorial)
1:58:15
GREG KOCH AT CLUB CAFE IN PITTSBURGH 11-25-2024
1:10:47