Why DJ Alle Farben Made 'Who the F*ck Is Rosie?' Shirts for Lollapalooza: Watch

Lollapalooza 2016 was Alle Farben's first big show in the U.S., but he was ready for the crowd, as he tells Fuse in a backstage interview. Check out what the German DJ had to say -- and exactly why he's wearing a "Who the Fuck is Rosie?" hoodie -- in the video player above.