Rock the Bells 2012 taps Missy Elliott, A$AP Rocky, J. Cole, more

Guerilla Union's Rock the Bells or Jay-Z's Made in America, which is sure to be a star-studded affair. Hov says about 70% of the acts are already confirmed. A couple days after Jay's press conference, Guerilla Union unveiled its own heavyweight lineup.

There comes a time in every music festival's life when its organizers decide to go big. For nearly a decade, the lineup at each successive iteration of the annual Rock the Bells festival seems to have gotten more and more

There comes a time in every music festival's life when its organizers decide to go big. For nearly a decade, the lineup at each successive iteration of the annual Rock the Bells festival seems to have gotten more and more

The most interesting addition for this year is probably DJ Lance Rock and Friends from the Nick Jr. show “Yo Gabba Gabba!”

(Photo by Kevin Winter/Getty Images) LOS ANGELES, CA – NOVEMBER 25: DJ Lance Rock performs at Yo Gabba Gabba Live! at Nokia Theatre LA Live on November 25, 2011 in Los Angeles, California. (Photo by John Shearer/Getty Images) LAS VEGAS,