Beastie Boys were signed Sign_agreement as the opening Openness act , while record Recording producer Patrick Leonard was the music director .

The band also featured two up and coming Motion groups , Guns N ' Roses and Beastie Boys as their openers for a few dates on this tour Traveling .

Electric Picnic differs Change from other festivals in Ireland in that the music choice is more eclectic than the other mainstream events ( its history includes international acts such as Kraftwerk , Röyksopp , Nick Cave , Sonic Youth , New Order , Björk , Arcade Fire , Beastie Boys , The Stooges , The Chemical Brothers , Gary Numan , The Flaming Lips , Sigur Rós and Sex Pistols ) , and there is more emphasis on quality festival services Supply ( such as food and sleeping arrangements ) and a generally more positive and relaxed atmosphere .