From the Roots as house band to Van Morrison and Justin Timberlake (nice guy, says Wayne Coyne) to Santigold and Spank Rock, we've been closely covering the nascent days of Jimmy Fallon's show. Last night the nervous one hosted Clap Your Hands Say Yeah, who debuted a new song "Statues." It's upbeat. The "ecstatic" audience in the balconies to the ...