Petros Applecreek GC. The Podium is honored to represent Petros Guitars, a new addition to our shop. Bruce and Matt Petros build unique custom handmade acoustic guitars for discriminating guitar players and guitar collectors. Paul Simon would be one of those discriminating players..... The Applecreek Grand Concert is Master Grade Indian Rosewood and Master Grade sitka. Exquisite detail, fine finishing and unique design. Tone is clear, woody, refined, and clean. 1 13/16" nut width, standard scale, 2 3/16" string spacing. D shape neck with volute. Exclusive aesthetic.