The Hip Hop Chronicle — Eminem performed at Grant Park in Chicago for the Lollapalooza Festival in front of 94 thousand screaming fans. Guests on the set included Bruno Mars, Skylar Grey and Royce Da 5’9″. I Need A Doctor w/ Skylar Grey More footage under the cut. more info

USA Today Music — Cee Lo Green disappoints, but Eminem stuns on Lollapalooza's second day. more info

Chicago Tribune — Day 2 of Lollapalooza in Grant Park has crossed the finish line. Here’s an hour-by-hour account with reporting from yours truly (GK) and the ever-vigilant Bob Gendron (BG): more info

ContactMusic — Christina Aguilera appears to have ended her on/off feud with Eminem and plans to work with the rapper on her next album. Internet reports suggest the Genie in a Bottle singer has reached out to Eminem in the hope he'll agree to collaborate with her ... more info

NME - The Video Blog — I’m pretty sure I wasn’t the only person that did a WTF double take on hearing the news that Lou Reed was teaming up with Metallica last month. Whether inspired or doomed or a mixture of the two it was definitely unforseen, and it got us thinking... more info

NME — Rapper is rumoured to be teaming up on Aguilera's follow up to 'Bionic' more info

Pop Crunch — No, no, no. A thousand times, no. Taylor Swift has been covering local artists at each of the stops on her “Speak Now” concert tour. So when she was in [...] more info

Perez Hilton — Could this be?? Do our eyes deceive us? Eminem has reportedly collaborated on a track on Christina Aguilera's upcoming fith studio album. The two have notoriously fought in the past, however, sources say that they are working on a "killer" song toge... more info

Brooklyn Vegan — As mentioned, Lollapalooza will celebrate its 20th anniversary in Grant Park in Chicago this weekend from August 5-7. Due in part to huge names like Foo Fighters, Muse, Eminem, and Coldplay, tickets for the festival have sold out. If... more info

Guardian Music — Thirty years ago today, MTV was launched. Here are some of the station's highlights, including awards disasters, Nirvana's Unplugged performance, reality TV hell and more30. MTV launches to the sound (and sights) of Buggles' Video Killed the Radio St... more info