'Rising Star': Josh Groban Talks Hosting, Mentoring and Yelling Backstage — billboard.com

The singer dons a sleek suit and a pair of eyeglasses to host "Rising Star" on Sunday evenings, but also spends the week alongside a grand piano to mentor the weekend's upcoming auditionees. 'Rising Star': Kesha on Not Swearing on Live TV or 'Shitting on People's Dreams' "I've grown kind of attached to them, just as people," Groban told The Hollywood Reporter after Sunday's episode, the second of the season. "My job is to try and find that thing that makes them unique. You can always talk about pitch and breath control, but really, I try to exterminate the things that I think are their weaknesses, and get them to really shine on the things that are great."

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