A bunch of stars coming up. Sneak peek of "Rising star," ABC's new singing competition that makes or breaks this emwith a social media wall and cam Mathison went behind the scenes with the expert,... See More
A bunch of stars coming up. Sneak peek of "Rising star," ABC's new singing competition that makes or breaks this emwith a social media wall and cam Mathison went behind the scenes with the expert, brad paisley, ke$ha, ludacris and host josh groban. ? Reporter: The future of America's rising stars hinges on this two-ton, three-story rising wall. This wall will be the only thing that stands between our singers and their dreams of becoming the next rising star. Reporter: Superstar josh groban the host requires viewers to vote with their apps at home on whether to keep or cut contestants. To be feeling the audience's reaction in realtime as you're singing, to me sounds absolutely terrifying. If the singer gets 70% of the wall the wall goes up and move on to the next round, if not the wall stays down and we say good-bye to them the moment their song ends. Reporter: Music experts will vote rapper ludacris, country singer/songwriter brad paisley and pop sensation ke$ha. What do you hope to take away from this experience. I really want to find somebody that has the indescribable thick that Mick jagger has, that David bowie has, that iggy pop has. That you have. Thank you. I like the subtle shoes. Thanks. Yeah, they're very understated. I'm the only girl on the show so I have to bring it and I'm going to bring it hard. What advice would you give me to succeed to do well on the show. We're looking for somebody that's got heart. This is about emotion and moving somebody as a singer and then you're going to go. Reporter: After "Rising star" airs live on the east coast and other time Zones west coast viewers vote during the recorded show. Three hours later for the west coast there will be a live feed of that contestant watching and if that vote didn't happen on the east coast west coast could tip it over. Reporter: Let's say it does. What happens then. You cut in live. We'll cut in live. Yeah. Reporter: So much of the show rides on the technology. Yes. Reporter: I mean is that I a little scary. Anything can happen. I can't say with complete certainty it will go off without a hitch but I think sometimes the hitches make things more interesting. Reporter: Judge for yourself literally when "Rising star" premieres on Sunday, on ABC. For "Good morning America," Cameron Mathison, ABC news, los Angeles. As cam said, "Rising star" premieres Sunday at 9 o'clock, eastern, 8:00 central right here on ABC. He's go from a rising star
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