Streaming music site Last.fm, which was bought by CBS in 2007, has announced a few changes to the service, including making its desktop option a subscription-only service. Effective January 15, the desktop Last.fm client will be subscription-only in the U.S., UK and Germany, as it is already in Canada, Australia, New Zealand, Ireland and Brazil. The announcement from Last.fm notes that, "Unfortunately, in all other countries, we are no longer offering a radio service after this date. We are always looking at ways to bring music to more people, when it can be done so economically, and we hope to be able to open streaming to a wider audience in the future." Last.fm says that its ad-supported, web-based streaming service will still be available for free.

In Last.fm's announcement (which can be read here), the company notes that it is about to launch an updated desktop client (currently testing in Beta) "with a vastly improved interface and support for more of Last.fm’s features."

Tech Crunch reports that these changes could be the sign of bigger issues at Last.fm. One source told the website, "CBS overpaid for Last.fm years ago and now no longer want to invest in it. They need to stop moving it around and focus on making it big again." Tech Crunch reports that earlier this year, CBS effectively dissolved and re-organized its Interactive Music Group division, which Last.fm fell under, and its head David Goodman now works in a different role at the company.