Alex Hutchings: GR-D and GR-S Roland pedal demos

GK Power in a Twin Pedal Stompbox
http://www.roland.com/products/en/GR-D/

GR-D V-Guitar Distortion Performance by Alex Hutchings


GK Power in a Twin Pedal Stompbox
http://www.roland.com/products/en/GR-S/
GR-S V-Guitar Space Performance by Alex Hutchings