It's Nickelback's "Hero." It's better suited for Cook's vocal styling than Archuleta's.
Cook and Archuleta had to plug the "Love Guru." It was kind of funny to see Mike Meyers make fun of Cook's facial hair (he tries to shave him at one point) and Archuleta's age.
Syesha Mercado sang Seal's "Waiting for You" with Seal. The performance falls kind of flat.