C. F. Martin & Co. invites guitar and uke players of all levels to perform at Summer NAMM at the Martin Guitar and Strings Open Mic event. Attendees will be able to sign-up to perform a song during the Martin Open Mic in the level 3 lobby of Music City Center, directly off the exhibit floor. Everyone who plays will receive a set of Martin strings and a chance to win a piece of Martin gear on the hour. Each player will also be entered for a chance to win a Martin Guitar. The guitar winner will be selected at random from everyone who performs that day.