• Bob Bartrom •
"David is my official guitar tech! He does great work, and is great to work with... After playing for 40 years, my recommendations don't come easy."
• Nick Wilson •
"After having David restore and clean up my guitar, it has never sounded better! I'm pretty sure I will never change my strings again, I'll let The Copper Chord do it for me!"
• Eric Slusser •
"Shout out to David and the awesome work done to my wife's father's guitar. Much needed tlc.
• Carl Pierson •
"As an accomplished guitarist, teacher, and guitar tech, I am very impressed with the way this young man operates his buisness... He really cares, and has my full endorsement."