Coldplay, U2, the Killers, R.E.M., Bob Dylan, John Legend, and others have all agreed to contribute exclusive new songs to (RED)WIRE, a new music service set to launch on World Aids Day, December 1, with all proceeds benefiting HIV-infected victims in Africa.

It was a baffling week, one filled with plenty of love and hate. For a little help understanding we turned to the stars.

Sure, Jay-Z (Sagittarius) and President-Elect Barack Obama (Leo) bonded over a new The Blueprint 3 track, which is characteristic for the two signs.

After the likes of Nas, Will.I.Am, and Radiohead's Thom Yorke celebrated President-Elect Barack Obama's victory in song, Brooklyn's own Jay-Z, a staunch supporter of the candidate, has leaked "We Made History," a new tune honoring the landmark win.

With the presidential campaign entering its final stretch, a cavalcade of hip-hop royalty turned out Monday in North Philadelphia -- the biggest city in one of this election's key swing states -- to get out the vote for Democratic nominee Barack Obama. Jay-Z, Beyonce, Diddy, and Mary J.

After undergoing a major remodel, Hollywood's historic Palladium Theatre reopened with a bang last Wednesday night -- thanks to an enthralling performance from Jay-Z and DJ AM. A sold-out crowd gathered for the set, which saw the hip-hop mogul and his DJ play for nearly two hours. Read about the show here.

This week we launched an all-new daily feature on SPIN.com -- an opinionated (and humorous) editors' blog. And SPIN editors certainly had a lot on their minds: Against Me!'s live performance, Feist's influence on childrens' musical tastes, Oasis' staying power, MGMT's seriousness (of lack thereof), and more -- but thankfully, Joe the Plumber isn't included.