The Yamaha GH-1 is a 5’3″ baby grand piano that was manufactured by Yamaha Corporation, a Japanese musical instrument manufacturer. The GH-1 model is part of the Yamaha’s G Series, known for its high-quality sound and craftsmanship.The piano is equipped with a player system, which allows the piano to play music on its own using pre-recorded music rolls. The player system can also be turned off, allowing the piano to be played manually like a traditional acoustic piano.The Yamaha GH-1 has a solid spruce soundboard, which is responsible for producing the piano’s rich and resonant sound. The piano’s action is made up of high-quality parts, including hammers made of premium wool felt and keys made of high-grade spruce.Overall, the Yamaha GH-1 is a high-quality, versatile piano that is suitable for a wide range of playing styles and musical genres. It is often used by professional pianists and music enthusiasts alike, both for performances and for personal practice.Here are some specifications for the Yamaha GH-1 baby grand piano:Length: 5’3″ (161cm)width: 60″ (152cm)Height: 40″ (101cm)Weight: 617 lbs (280kg)Number of keys: 88Soundboard: Solid sprucePinblock: 19-ply laminated hard mapleBridges: Vertically laminated maple with maple capStrings: High-tensile steel wireAction: Yamaha balanced action with premium wool felt hammersPedals: Soft, sostenuto, and sustainFinish: Polished mahoganyThe GH-1 also features a player system that can be used to play music rolls or turned off to play manually. The piano has a rich, warm tone and is suitable for a variety of musical styles, from classical to contemporary.