Katy perry

LOS ANGELES - Apple Inc.'s new music-discovery feature, Ping, is a potentially useful addition to iTunes.

SAN FRANCISCO - If you're itching to hear whatever you want, whenever you want, without breaking the bank on songs from Apple's iTunes store, your best bet is an online subscription music service.

LOS ANGELES - Music videos from Norah Jones, Coldplay, Katy Perry and other artists under EMI Group PLC are headed to an online music video venture, Vevo, set to launch Tuesday with a gala in New York.
LONDON - Here's good news for Twitterati - soon the users of the site may get to upload short video clips on their profiles.