Every Tuesday Single Minded highlights new tracks hitting stores (or the Web) this week. On Fridays, come back for rarities, remixes, mash-ups and more.

Ghostface Killah, Jackson Browne, Jewel and Lyle Lovett, “Walk Hard” [Nah Right]
From the guys who brought you Superbad and Knocked Up comes this once-in-a-lifetime all-star performance, featuring Ghostface slow-rapping while Jewel yodels in the background.

Led Zeppelin, Live Reunion Concert at London’s O2 Arena on 12/10/07 [Nargo the Bort]
Here it is: The concert took nineteen years to happen, yet only forty-five minutes to download. This is the cleanest recording of the show we’ve heard yet.

Super Furry Animals, “The Gift That Keeps Giving …” [Super Furry Animal’s Web Site]
The Welsh genre-benders are celebrating Christmas by offering their latest single as a free download, along with a new present — in the form of MP3s, YouTube videos and giveaways — every day until New Year’s.

Wilco, Live at Troutdale, Oregon, August 23rd, 2007 [Rbally]
Jeff Tweedy and Co. whip out obscure B-sides, Sky Blue Sky tracks and some of their greatest hits in this pristine recording of one of the best concerts of 2007.

Foreigner, Live in Atlanta, 1979 [Smuggled Sounds]
Listen, we know nearly every time you visit Rock Daily, you’re hit by Foreigner’s “Juke Box Hero” exploding out of the ad to the right of these words. To make amends, here’s a Foreigner bootleg from 1979 without that song (but with “Cold As Ice”).