08/01/2005 at 01:00 AM EDT
TONI BRAXTON is back with another smoky-voiced scorcher, "Please," from her upcoming album Libra
, at Napster.com
PAUL MC CARTNEY AND U2 continue the fight against poverty in Africa with their rousing performance of "Sgt. Pepper's Lonely Hearts Club Band" that opened Live 8 in London, at iTunes.com.
DAMIEN RICE in honor of imprisoned Nobel Peace Prize winner Aung San Suu Kyi, strikes a pensive chord with Lisa Hannigan on "Unplayed Piano," at iTunes.
(right) enlists Jay-Z for a hard-hitting remix of "Diamonds from Sierra Leone," the first single from his sophomore CD, Late Registration
, due Aug. 30, at iTunes.