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+ Viacom is featuring PSAs from Lady Gaga, Nas and others that encourage volunteerism, good deeds and charity to commemorate the 10th anniversary of 9/11. You can also participate via an "I Will" widget; uploading your response to the question, "What will you do on 9/11 in tribute?" (MTV News)
+ Lil Wayne's Tha Carter IV officially bows at No. 1 the first week it debuts. It sold 964,000 in its first week. It's the first hip-hop and male-fronted album to sell that much in one week. (Billboard)
+ Ke$ha just became the Humane Society International's first Global Ambassador. "One of the main underlying sentiments of my music is to respect all living creatures just as they are," she said in a statement. (E!)
+ Hell to the yeah: PJ Harvey won the prestigious Mercury Prize for Let England Shake. The award is bestowed to the best British album of the year as chosen by a committee of music industry representatives. This is her second Mercury Prize. (Pitchfork)
+ If you were snoozing when Hannah Montana grew up, this will wake you up. Check out the pretty Prestige magazine spread featuring Miley Cyrus. (ONTD)
+ The 45th Country Music Awards announced their nominees yesterday. Among them are Taylor Swift, who received 5 nods along with Brad Paisley, Blake Shelton and Jason Aldean. Kelly Clarkson received two for her collaboration with Aldean. (Neon Limelight)