Parsons pointed to this week's announcement that his company has banded with two other major music conglomerates, EMI Group PLC and Bertelsmann AG, to create a copyright clearinghouse for music licenses. Parsons said the venture, called MusicNet, will create a one-stop license center for companies that want to sell music over the Internet.Senate Judiciary Chairman Orrin G. Hatch (R-Utah) has been pushing the big entertainment companies to begin granting licenses to potential rivals on the Internet. Hatch has suggested in the past that he would support a compulsory license for Internet companies if it turned out that the major record companies were withholding licenses in an effort to extend the music industry's dominance to the Internet. But yesterday he called the MusicNet deal a "significant" development that could help introduce competition on the Web.Napster mobilized about 500 of its users to converge on the hearing and show support, according to the Associated Press. ...