How Lollapalooza defined what rock would become in the 90s
In the early 1990's, American rock music was just beginning to emerge from "hair metal." A new book recounts the wild festival of music and activism that helped redefine rock: "Lollapalooza."

In the early 1990's, American rock music was just beginning to emerge from "hair metal." A new book recounts the wild festival of music and activism that helped redefine rock: "Lollapalooza."