Foo Fighters rocked 'Conan' last night to promote their on-going U.S. tour with Rise Against. They performed the track 'Dear Rosemary' and were joined by Husker Dü frontman Bob Mould -- who is also featured on the studio recording of the song.

This year Foo Fighters have been on television more than ever before. After feverishly promoting their new album with performances on just about every late-night program, they even televised their documentary 'Back and Forth' and broadcast a live concert in theaters on the eve of the album's release.

After a small cooling down period, the Foo Fighters media onslaught is back on. After recent performances on 'Conan', and 'Chelsea Lately', the band returned to the ginger-haired comedian's set to rock another selection from 'Wasting Light'. This time they were joined by Bob Mould, frontman of the influential 80's alt-rock band Husker Dü.

Click here for the Foo Fighters U.S. Tour Dates.

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