Everything You Want From An Acoustic. Everything You Need In A Digital. Input your text here! The text element is intended for longform copy that could potentially include multiple paragraphs. The Yamaha Avant Grand Hybrid Piano A hybrid piano that doesn't settle for acoustic approximations,the Avant Grand offers true acoustic action. Real action and Tactile Response technology replicatethe natural vibration of an acoustic piano, creating an immediate connection between piano and player. Over 5000 genuine Yamaha action componentsdeliver an authentic acoustic experience.