Having defeated Napster in court, record labels are about to offer their own fee-based Internet music services. But despite the demise of Napster, other services still offer free downloads of thousands of songs stored on other people's computers. Doomsayers forecast the end of an industry. Optimists say the music business will survive just as the movie business learned to live with VCR's. We look at how we own and use music with music makers, providers and listeners.