This week more information on one of the biggest musical events of the year, Lollapalooza, was released. It was revealed that the annual festival will be returning once again this year to Grant Park in Chicago from August 2nd-4th. The festival will have eight different stages of performers and once again will feature a massive line up of bands. This week the daily line ups for the event were revealed with top performers such as The Killers, Mumford and Sons, The Postal Service and more all making appearances at the event. As the festival plans for the event to sell out, they will be releasing 60,000 single day tickets for Wednesday April 3rd for the festival. Other tickets for the event, including passes will go on sale at the end of this week.