Rob Scallon's video already generated over 1 million views (to date):
And many other guitarists who enjoy a sizeable following on YouTube participated in covering this crazy campaign:
Tim Pierce:
Pete Thorn:
Dovydas:
Music Is Win:
Phillip McKnight:
YourGuitarSage:
Riffs, Beards & Gear:
Elise Trouw:
Andrew Baena:
GuitarLessons365Song:
The Tone King:
Wampler Pedals:
Samurai Guitarist:
Guitar Lessons:
Emily Hastings:
RockOnGoodPeope:
David Walliman:
Robert Baker:
Jared Dines: