Yamaha AESRS7 The Yamaha AES-RS7 is a cutting-edge electric signature guitar developed in collaboration with Ryan Shuck from the rock band Orgy. This innovative guitar blends radical, high tech looks together with classic silhouettes and Yamaha's 7-string neck design. Modern Sculpted Body Design Solid Alder Body Maple Neck Maple Fingerboard DiMarzio Humbucker 1 Passive Volume Control Tune-O-Matic Style Bridge Custom Design Chrome Tuners Black, Burgundy Metallic Finish