The Bosendorfer Model 290 Imperial has 97 keys and instead of the standard 88, which has inspired composer greats such as Bela Bartok, Maurice Ravel, Claude Debussy, Richard Wagner, and others to write music specifically to be played on this piano. This piano's powerful soundboard, composed of mountain spruce from the Alps, produces music that sounds almost orchestral. This piano sets the standard by which all others are judged. Length: 9'6", Width: 5'9", Weight: 1.255 lb