Red Hot Chili Peppers, Black Keys top this year's Lollapalooza lineup in Chicago

Twenty-one years after initially kicking off as a touring extravaganza, and seven years after taking up one-stop residency at Chicago's Grant Park, Lollapalooza.

CHICAGO — The Red Hot Chili Peppers, The Black Keys and English indie darlings Florence and the Machine will headline this year's three-day Lollapalooza music festival in Chicago, Jane's Addiction lead singer and

CHICAGO — The Red Hot Chili Peppers, The Black Keys and English indie darlings Florence and the Machine will headline this year's three-day Lollapalooza music festival in Chicago, Jane's Addiction lead singer and Lollapalooza founder Perry Farrell

Twenty-one years after initially kicking off as a touring extravaganza, and seven years after taking up one-stop residency at Chicago's Grant Park, Lollapalooza.

And ever since Lollapalooza put away its touring circus format in favor of shacking up for one huge weekend in Chicago's Grant Park, it has become the cornerstone of the summer concert calendar. The past few Lollapalooza lineups have followed some sort