Lady Gaga, Cher, Snoop Dogg, Adam Levine Among Musicians Tweeting Election Elation

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Musicians played a key role in Barack Obamas re-election, with some hitting the campaign trail (Bruce Springsteen, Jay-Z), others performing at stump stops (Katy Perry, Jason Mraz, Foo Fighters) and many more endorsing the president via video pleas, tweets, radio ads, onstage banter and letters, among them: Barbra Streisand, Beyonce, Cher, Madonna, will.i.am, Pras, John Legend and Snoop Dogg.

PHOTOS: Hollywood Hits the Campaign Trail for Obama, Romney

So what did the hitmakers have to say as the 2012 election results came in? We scanned! Twitter and found a wide swath of reactions, from elation to humility, pride to worry, not to mention scores of Instagram photos of stars doing their civic duty.

STORY: Presidential Election: What Hollywood Is Saying

See a smattering of music industry Election Day tweets below: