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.

No doubt about it, this week belonged to newly-minted President-Elect Barack Obama. But that doesn't mean the music world lay dormant: Fall Out Boy, Smashing Pumpkins, and the Decemberists all kicked off their respective U.S. tours, while the Killers treated fans to new tracks in London.

For ages, rock'n'roll has been considered the devil's music. And this Halloween week, the connection is obvious -- some of the oldest, scariest, and most colossal rock acts have returned to the headlines: AC/DC kicked off their tour and topped the album charts, and Led Zeppelin searched for a new singer.

John McCain isn't doing so well these days, but a few other old-timers had a triumphant week on SPIN.com: Metallica kicked off their world tour, Eminem rapped about hip-hop, and a little band named Guns N' Roses (ever heard of 'em?) released their first single since Ally McBeal was on TV.

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.

As you get ready to celebrate Columbus Day, check out our scoop on Green Day's next full-length and Metallica's upcoming tour, and listen to exclusive new tunes from Manchester Orchestra, Minus the Bear, and others. Plus: Get more of the best from the past week: