The Yamaha S-4 is a 6′ 3″ handmade artist grand piano that was first introduced in the early 1980s. It is considered to be one of Yamaha’s most prestigious pianos and is known for its high-quality sound and craftsmanship.The S-4 is made from the finest materials, including a solid spruce soundboard and high-quality hammers, strings, and keys. It has a rich and warm tone that is highly expressive and responsive, making it a popular choice for concert halls, recording studios, and professional pianists.In addition to its exceptional sound quality, the S-4 also features a beautiful and elegant design. Its sleek, polished ebony finish and classic styling make it a stunning centerpiece in any room. The piano is also highly durable and reliable, thanks to Yamaha’s commitment to quality and craftsmanship.Overall, the Yamaha S-4 is an exceptional instrument that represents the pinnacle of Yamaha’s grand piano line. Its combination of beauty, craftsmanship, and performance make it an ideal choice for serious pianists and discerning music lovers alike.