Mar. 2, 2010 Pearl Jam, Jack Johnson, Dave Matthews Band, Death Cab for Cutie, Bob Weir and Phil Lesh are among the artists giving away live songs to inspire fans to talk about climate changes. The tracks are available on Best of Bonnaroo, which can be had as a free download at MusicForAction.org. Before downloading the music, visitors are asked to E-mail their senators, the president or their local newspapers about climate change.