Boss GM-800 Unboxing and Setup
29:02
GM 800 Firmware update, GK5 Install, Final Analysis
31:25
New Boss GM-800 - The Ultimate Guitar Synth Pedal!
17:22
Bob James - Westchester Lady - Bass Cover and Bass Lesson - How to play Westchester Lady
1:00:39
Boss GM 800 Midi Controller and Tone Expansion
8:52
Boss GM-800 Guitar Synthesizer - Sound Demo
1:28:25
Roland Boss SY-1000 & GM-800 How good or bad are these guitar synths?
34:16
GM 800, Roland GR 55 Tracking Comparison
9:30