AP - Though the calendar still says spring, the summer tour season has begun. Tracking your favorite acts, though, can be almost as interesting online as at your local amphitheater.

Reuters - Perhaps no single device has had more impact on mobile music than Apple's iPhone. While only 6.7 percent of overall mobile customers use their phone to listen to music, rising to 27.9 percent for smartphone users, a full 74.1 percent of iPhone owners reported using the device as an MP3 player, according to M:Metrics.

Reuters - More than one-third of workers would choose their mobile phone over their wallet, keys, laptop or digital music player if they had to leave the house for 24 hours and could take only one item, a new survey has found.

Reuters - Napster Inc., the digital music service, on Tuesday opened the world's biggest MP3 download store with more than 6 million songs in a direct challenge to Apple Inc's iTunes store.

AFP - Yamaha says it is seeing brisk interest in a new digital musical instrument that enables users to create and play music as if they are drawing pictures.

Reuters - Napster Inc., the digital music service, on Tuesday opened the world's biggest MP3 download store with more than 6 million songs in a direct challenge to Apple Inc's iTunes store.