Henry Kissinger provides the "starting gun" of the competition by declaring that "it is time to rock," and then Chris Funk offers his shredding solo. (2:12)
Morley Safer gets us revved up for tonight's guitar solo challenge, when The Decemberists and Stephen face off to determine who is the Socrates of Shred. (1:00)
Green Screen Challenge entries are graded according to 58 criteria including originality and poise. Can Bonnie R. post a perfect score to beat George L.'s near-perfect 39.9? (2:53)