He was feeling just peachy. Jack Black surprised Jonas Brothers fans Saturday, when the “School of Rock” alum appeared during the trio’s performance at Brooklyn’s Barclays Center to perform his song, ...

“We had already had a few sessions; I think we were a year in when [Directors Aaron Horvath and Michael Jelenic] first sprung it on me,” Black told IGN earlier this year. “They were like, ‘How would ...

"Peaches," which the Grammy winner co-wrote and performs in the film, has become a viral hit — though Black admits the rock ballad almost never happened. By Mesfin Fekadu Jack Black‘s performance of ...