Muzak is an American brand of background music played in retail stores and other public establishments. The name has been in use since 1934, and has been owned by a division or subsidiary of another company ever since. In 1981, Westinghouse bought the company and ran it until selling it to the Fields Company of Chicago, publishers of the Chicago Sun-Times, on September 8, 1986. Formerly owned by Muzak Holdings, the brand was purchased in 2011 by Mood Media in a deal worth US$345 million. Read more on Last.fm