 In July 2017, BMI renewed long-term partnership with C3 Presents, world's largest music festival producers.BMI's practice of selling only "blanket licenses", rather than licenses for individual artists, led to a major antitrust law dispute between BMI and CBS that resulted in the 1979 case "Broadcast Music, Inc. v. CBS, Inc.", in which the U.S. Supreme Court held that the Sherman Act prohibition of "price fixing" was not strictly literal, and should be interpreted in light of economic efficiencies an agreement brings.BMI issues licenses to users of music, including