For the first time in the United States, BMG Music will release a music CD that’s loaded with anticopying protection, a move that opens a new round of technological experimentation for record labels. BMG division Arista Records will include “copy management” protections produced by SunnComm Technologies on soul artist Anthony Hamilton’s new album, the company said Friday. Although the label …

A customer of Apple Computer’s iTunes Music Store said he has successfully resold a song he purchased through the service, ending a weeklong exercise he hoped would highlight the legal and technical nuances of emerging digital music services. George Hotelling, a Web developer in Ann Arbor, Mich., on Tuesday reported the details of the transfer on his Web log. In …

For much of the last year, the University of Wyoming and a company called Audible Magic tested technology that looked inside students’ file swaps for copyrighted music, with an eye toward ultimately blocking the transfer of such material. The job turned out to be harder than Audible Magic expected. On Wednesday, the company said it had given up on part …