Alvarez Delta 00 Sunburst Acoustic GuitarDelta00 Sunburst Artist Double 0 The Alvarez Artist Blues Series delivers genre specific instruments to capture the very essence of American music history. Body shapes, bracings and constructions were carefully considered before opening molds for our body shapes and finalizing specifications. Alvarez Blues guitars have a vintage vibe with a small rectangle bridge, V shaped neck profile, 2 string spacing and back shifted bracing to make these smaller