Guitar player playing guitar chords by number
Warren Haynes - Soulshine songwriter and founding member of Govt Mule pitpony.photography [CC BY-SA]
John Frusciante of Red Hot Chili Peppers playing guitar Flickr photographer Chad Carson [CC BY-SA 2.0], via Wikimedia Commons
Pink Floyd's David Gilmour playing guitar Photo by Jan Hagelskamp1
Slash of Guns N' Roses playing guitar By Rockman - Own work, CC BY 3.0, Link