Here's a rundown of the essential albums available online and in record stores today:

Nirvana fans ticked-off about Kurt Cobain's unlockable avatar in Guitar Hero 5, which, frighteningly, allows the Nirvana deity to sing Bon Jovi and Bush songs, may have a target for their wrath.

It's one of those days when we need Courtney Love's Twitter translator on retainer. The Hole frontwoman is raving mad about the depiction of her deceased husband, Kurt Cobain, in the new version of Activision's popular Guitar Hero franchise, and she's threatening to sue.

Here's the strangest music news to hit the Internet this week:

Gwar vocalist/bassist/intergalactic barbarian Oderus Urungus picks his favorite websites -- and gives midget porn its official spokesmonster! [Urlesque]

It was a big week for concerts: Bruce Springsteen and Lily Allen both knocked 'em dead at their U.S. tour openers, Chris Cornell rocked Soundgarden classics on his solo tour, and Morrissey wowed the crowd at New York City's Carnegie Hall.

All these stories, plus the week's top news, photo galleries, editors' blogs, audio/video, and reviews below: