All Tomorrow's Parties kicks off in the Catskills with Iggy and the Stooges, Sleep, Mudhoney and Scientists.

"She had no idea what hit her," West said of Swift. "She's justa lil girl with dreams like the rest of us."

  "I doubt this band will be around in 10 years, and there needs to be something that I can fall back on," says Anberlin frontman Stephen Christian of pursuing an MBA in psychology.   

Here's our round-up of singers', rockers' and rappers' 20 coolest and funnest tweets from the past seven days. Be sure to tag @billboarddotcom to your favorite music retweets (and don't forget to follow us!)

Ending weeks of speculation, Kara DioGuardi and Fox announced late Friday (Sept. 3) that she would be departing as a judge on "American Idol" after two seasons.

Rihanna dropping new single next week, Lady Gaga poses as Lady Liberty, Panic! at the Disco take on Broadway, and  more.