Jimmy Fallon, Adele & The Roots Sing "Hello" (w/Classroom Instruments)Sure, youve heard Hello (everyone has by now). But youve never heard it played like this.Adele took time out from her historic sales week to unwind for a performance with Jimmy Fallon and the Rootsand a room full of classroom instruments.Adele"s "25" First-Week U.S. Sales Forecast Increases to 3 MillionThe British pop singer and her hosts tackled the...