QRS dates back to 1900. Melville Clark, a Chicago piano designer and inventor, created a subsidiary of the Melville Clark Piano Co. based on the 88-note standard piano roll he developed.
The company changed names and hands several times — even locating for a time in New York City — before Ramsi Tick, manager of the Buffalo Philharmonic Orchestra, bought it in 1966. Richard A. Dolan, the current chairman of the board, bought QRS in 1987.
Mark Sommer's article makes for some fascinating reading, with a lot of history about this once thriving, now forgotten industry. QRS will now focus on developing, expanding, and marketing its Pianomation line of interactive digital products.
(Via the well tempered blog)