Singer slams Republican presidential candidate Mitt Romney's recent 47 per cent comments
The two acts joined forces at the Made In America Festival in Philadelphia
Brian Farias picked the songs for their recent show at Amsterdam's Ziggo Dome
Biffy Clyro, Tinie Tempah and Katy B also play day two of the festival
Odd Future, Rita Ora, Passion Pit, Janelle Monae, Santigold, Skrillex will also play the Philadelphia weekender
Stone Gossard says the band are well on the way to completing album number 10
Band also announced one-off Manchester headline show for next June
Watch scenes from recently released Pearl Jam documentary
Bassist Jeff Ament says band are on course to finish new LP in early 2012
Footage uncovered for new documentary 'Pearl Jam Twenty'