San Antonio, Texas - AT&T announced on Tuesday that its AT&T blue room service -- which offers live concert webcasts -- plans to launch a 24-hour streaming radio channel, and also make its concert webcasts available on televisions to subscribers of AT&T TV services U-verse and Homezone. The company partnered with CBS Radio to produce the "Festival channel." Beginning on Wednesday, U-verse and Homezone subscribers will have on-demand access to AT&T blue room concert archives.