CBS Studio Center buildings, and technical facilities. To make up for these investments, CBS began to rent out its studio lot for independent producers, and the newly created MTM Enterprises (headed by actress Mary Tyler Moore and her then-husband, Grant Tinker) became the Studio Center's primary tenant, beginning in 1970. Moore's memorable sitcom, "The Mary Tyler Moore Show", began filming here in 1970, along with its spinoffs, "Rhoda", "Phyllis", and "Lou Grant". In July 1982, CBS formed a partnership with 20th Century Fox to share ownership of the Studio Center, thus once again renaming, this time as CBS/Fox Studios. However, that relationship was
World Series of Rock with FirstEnergy Stadium built on the same site. County Stadium in Milwaukee, Wisconsin staged its own series of rock festivals, also called the World Series of Rock, in the early 1980s. Since then, "World Series of Rock" has become a generic term for multi-act concerts. June 23, 1974 August 4, 1974 September 1, 1974 May 31, 1975 June 14, 1975 July 11, 1975 August 23, 1975 June 5, 1977 June 25, 1977 August 6, 1977 July 1, 1978 July 15, 1978 August 26, 1978 July 28, 1979 July 19, 1980 Murray Saul and Shelly Stile of WMMS open a World