Milwaukee Summerfest tickets never go out of style.
Wednesday, January 19, 2011
Katy Perry Summerfest July 7
It's official, Katy Perry will hit the Marcus Amphitheater stage on July 7. Marcus Amphitheater tickets for Katy Perry tickets go on sale later in the spring. This is the second Marcus Amphitheater announcement for Summerfest 2011.