Boss GT-3 Promo (Roland 1999)
9:58
The BOSS GT-5 still blows me away after all these years!
19:23
TEST EN VRAI : multi-effets BOSS GT-100 ( 11 ans plus tard )
6:13
BOSS GT-3 Part 1
46:00
BOSS Created The World's Greatest Analog Delay! (Delay Machine DM-101)
16:59
This Is WAY Better Than The Tubescreamer (The Boss DS-1 Sound)
5:32
BOSS GT8 The Basics
5:19
BOSS GT-3
7:35