By any measure, Napster Chief Executive Chris Gorog is one of the world’s biggest believers in digital music. Eighteen months ago, his company, Roxio, was a successful, if unspectacular, player in the CD-burning software market. Then, in a rapid-fire corporate transformation, he purchased the Napster brand name at a bankruptcy auction, bought the record-label-backed Pressplay subscription service and relaunched the …

Apple Computer is making catcalls over Microsoft’s musical talents. The creator of the trendsetting iPod music player and iTunes music service on Thursday took its on-again-off-again rival to task for the new MSN Music download service, saying it has fewer features and fewer songs than the market-leading iTunes. “Its biggest problem may be that its downloaded songs can not play …

A song called “Rocket Man” helped launch the career of Elton John, and now the pop superstar is setting out to ignite gadget sales for XM Satellite Radio. XM has drafted the singer for a TV ad campaign to promote its handheld radio, Delphi MyFi. The TV spot will begin to appear on national channels Nov. 15, a week after …