Steinway

fully Steinway & Sons; a niche manufacturer,based in Queens, New York and in Hamburg, Germany, of hand made pianos, considered to be the best in the world, Examples of said instruments may be seen on the stages of most major Concert Halls (e.g. Carnegie Hall, Severance Hall, in many Marx Bros. films...)

Billy Joel is a Steinway Artist.
Steinway produces only a few hundred pianos a year, and thus the instruents are treated as instruments as well as very valuable.