Rufus Wainwright duets with Jake Shears and honours Jeff Buckley at Royal Albert Hall

Wainwright played classic albums 'Want One' and 'Want Two' with the BBC Concert Orchestra for the Proms at London's Royal Albert Hall

‘South Park’ announces 25th anniversary concert featuring Primus and Ween

Series creators Trey Parker and Matt Stone will also attend the "one night only" show this summer