But the so-called "Big Five" record labels, which control 85 percent of U.S. record sales, say built-in copy protection is the only way they can safeguard their music from freeloading downloaders.
Which brings us to the strategic problem with chemical-arms control: The recordof efforts to impose effective negotiated limitations on them is not good.
Terra Firma, a British outfit, has struggled to keep controlof one of its main portfolio companies, EMI, a record label, which it bought in a highly leveraged deal in 2007.