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Rihanna’s joining Taylor Swift and the legendary Aerosmith to headline this year’s iHeardRadio Music Fest. Demi Lovato is expanding her TV career past ‘X-Factor.’ DMX is following in the footsteps of D’Angelo and is trying to make a comeback with…MGK? These and more stories are worth hearing about in today’s Music Notes.

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Foo Fighters frontman Dave Grohl gets a record breaking honor: 900-lb drumsticks. His hometown unveiled the gigantic sticks which broke the Guiness World Record [Rolling Stone]

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LCD Soundsystem might be up for a reunion. The band broke up in early 2011, but is reuniting to breathe life into new film project. [NME]

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Rihanna, Taylor Swift and No Doubt will headline this year’s iHeartRadio music fest in September. They’ll be joining legends like Aerosmith and Bon Jovi. [Billboard]

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Skrillex and Santigold get an a capella remix in this sweet cover/mashup of ‘Cinema’ and ‘Disperate Youth.’ Not only does the guy sing, but he does all the dubstep noises with his mouth. [The Daily What]

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Demi Lovato continues her TV charm by hosting the 2012 Teen Choice Awards. We can’t wait to see how she does with special appearances from Kristen Bell, Ellen Degeneres, and of course Carly Rae Jepsen. [Huffington Post]

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White Stripes are reaching into the depths of history to release live performances from 1997. You can watch their full ’99 set following the link below. [Pitchfork]

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Akon teamed up with KPop sensation Wonder Girls to bring us cyborg girls. No, really. Check out the foil-wearing droids in the vid below. [Billboard]

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Carly Rae Jepsen is hopping on board the season premiere of 90210. You can catch her performing a song from her new album on the October 8th episode. [Hollywood Reporter]

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DJ Sam Ronson thinks Paris Hilton’s attempt at DJing is a disgrace to real professionals. In other news: the sky is blue. [TMZ]

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DMX resurfaced with MGK to debut IDD (I Don’t Dance). Make sense? Just watch below. [Worldstar Hip Hop]

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