Sony, Universal Studios, and Time Warner (music industry)
These Three conglomerates dominate the popular music industry, accounting for over 80 percent of all music sales worldwide.
This illustrates one of the central ironies in the globalization of media: While the distribution of media products has spread out across the globe, the ownership and control of media production are largely centralized in a few mega-corporations usually composed of dozens, if not hundreds, of different companies.
