I have the utmost respect, Mr. Grammer. And last night, "Rising star," a brand new singing competition that plays out in real time. Reporter: It's the debut of the revolutionary TV talent show. ? You... See More
I have the utmost respect, Mr. Grammer. And last night, "Rising star," a brand new singing competition that plays out in real time. Reporter: It's the debut of the revolutionary TV talent show. ? You can't tell me it's not worth dying for ? "Rising star" contestants watching their fates while singing. There's nothing more dramatic than the wall. Reporter: It's in the hands of viewers voting with a free app. It's awesome. More than a million. Reporter: And left to the celebrity experts. You even got the first boos of the season. I'm okay with that. When people get drunk and go to a karaoke bar. I didn't think anyone was that bad. I thought they did a good job of everybody up there has some talent. ? Reporter: You did not hold back from the get go. I had to choose a song that was going to show off that aspect of my voice. ? You were ? of all songs, you bust out Whitney Houston. I love Whitney Houston. Reporter: What are you going to do next? Du do you know? I don't know. Keep watch. Reporter: Six of the ten acts scored higher than 70%, so they advance to the next round. On Sunday, new acts, and walls, and chances will rise. For "Good morning America," Rachel smith, ABC news, los Angeles. And that competition only going to get more intense. It airs on Sunday on ABC, 9:00 P.M. Eastern, 8:00 central.
This transcript has been automatically generated and may not be 100% accurate.