Muzak is an American brand of background music played in retail stores and other public establishments. The name Muzak has been in use since 1934 and has been owned by various companies. The word Muzak has been a registered trademark of Muzak LLC since December 21, 1954.

The Westinghouse Electric Corporation was an American manufacturing company founded in 1886 by George Westinghouse. It was originally named "Westinghouse Electric & Manufacturing Company" and was renamed "Westinghouse Electric Corporation" in 1945. The company acquired the CBS television network in 1995 and was renamed "CBS Corporation" until being acquired by Viacom in 1999, a merger completed in April 2000. The CBS Corporation name was later reused for one of the two companies resulting from the split of Viacom in 2005.