D'Angelo Does Surprise Performance At Bonnaroo 2012

Attendees at Bonnaroo on Saturday night were in for an unexpected treat when The Roots' Questlove brought out singer D'Angelo for his first live U.S. performance in over a decade.

"I've been waiting 12 years to say this," said drummer Questlove before Saturday night's "Superjam" at Bonnaroo Arts & Music Festival in Tennessee. "Ladies and gentleman: D'Angelo!"

With a nine-piece band, the R&B crooner hit the stage with a throwback setlist that included Jimi Hendrix's "Have You Ever Been (to Electric Ladyland)," Band of Gypsy's "Power of Soul," Funkadelic's "Hit It and Quit It," the Beatles "She Came in Through the Bathroom Window" and Led Zeppelin's "What Is And What Should Never Be."

D'ANGELO THROUGH THE YEARS: PHOTO TIMELINE

"This is what we used to do at the studio," Questlove told the crowd, who was stupefied but highly receptive of D'Angelo's presence. After playing the same stage earlier that night, Q revealed, "We crammed all those songs into six hours of rehearsal. Our 'dinner break' was tonight's Roots show."

D'Angelo is set to return to the stage at the Essence Music Festival in July.