A start-up is bringing radio to portable MP3 players, betting that digital audio fans will want a diet beyond their own music collections. AudioFeast announced on Wednesday that it is creating a subscription service that offers downloadable radio shows for portable players–the first of its kind, the company said. It hopes to attract customers who are looking to fill their …

RealNetworks is closing down its half-price online music sale for all but a handful of songs that will continue to sell for 49 cents apiece. The company on Thursday labeled its music promotion a success, with more than 3 million singles sold during the three-week campaign. The aim was in large part to highlight its new “Harmony” technology that allowed …

Altnet, a company that sells music and other digital goods through file-swapping services, sued the Recording Industry Association of America on Wednesday for alleged patent infringement. The company, a subsidiary of Brilliant Digital Entertainment, contends that the RIAA has been infringing on one of its patents in the course of copyright enforcement efforts inside peer-to-peer networks. Overpeer, a copyright company …