A "Concert Grand" is a type of piano known for its large size and exceptional sound quality. Typically measuring around 7 to 9 feet in length, it is designed for professional performances and is often used in concert halls. The instrument features a rich tonal range and powerful volume, making it ideal for soloists and orchestras. These pianos are crafted with high-quality materials, including solid wood and fine strings, which contribute to their superior acoustics. Renowned brands like Steinway & Sons and Yamaha produce concert grands that are favored by many famous pianists, including Lang Lang and Martha Argerich.