THE WALL STREET JOURNAL Friday, December 1, 2000 ART & MONEY by Ken Bensinger SOUNDTRACK AT AN EXHIBITION TIRED OF SELLING souvenir T-shirts and posters, museums are getting into the record business. Lately, the gift shops of seven big U.S. museums have begun selling compact disks marketed to coincide with their shows. At the Museum of Modern Art in New York, for example, visitors can... [buy] "Open Ends," a CD compilation with bands such as Velvet Underground, Bongwater and Sonic Youth that curators feel adds historical context to their contemporary art show of the same name. The CDs are produced by Museum Music...a New York company that has been making these compilations for two years. Its biggest seller: "Jackson Pollock Jazz," at MoMA, with 20,000 copies sold. "The CDs are directly related to enhancing visitors' understanding of the time period," a MoMA spokesperson says.