Josh Groban has one of those classic show-biz stories: Right before the 1999 Grammys, Italian tenor Andrea Bocelli gets sick. Who can fill in to rehearse a duet with Celine Dion? Well, how about this 17-year-old music student? Groban went out there an unknown, and came back a star. He's now one of the highest-selling artists in the music business.

Groban had a big hit with "You Raise Me Up" so we've invited him to play a game called "You Bring Me Down" — three questions about elevators and escalators.

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