When you step up to the  5’7” grand piano  category, you are looking for an instrument that can truly anchor a room with both power and tonal nuance. The  Yamaha GC2  and the  Ritmüller GH170 R   represent two elite pathways to this experience, though they follow very different blueprints. While the Yamaha GC2 is a masterpiece of standardized Japanese precision and bright clarity, the Ritmüller GH170 R  is designed by German master  Lothar Thomma, aims for a "boutique" Europe