Mumford and SonsBruce SpringsteenU2 and Kid Rock are among the acts that have performed songs for the Agit-8 campaign.

Started by Bono's One organization, the campaign features the artists tackling various protest songs to raise awareness about world poverty before this year's G8 meeting in Northern Ireland on Monday and Tuesday.

Songs that have posted on One's YouTube channel so far have included Kid Rock doing "For What It's Worth" by Buffalo Springfield and Mumford and Sons with Elvis Costellotackling Springsteen's "The Ghost of Tom Joad."

Videos from Springsteen and U2 will be posted later this week. The U2 clip was shot last month on the roof of Electric Lady Studios ion new York.

Check out performances by Kid Rock and Mumford and Sons with Elvis Costello below.