Americas got talent, CRAZY guy and he does NOT want to give up on his dream

He just finds these back up dancers at a karieokie bar and then he goes on america's got tallent trying to dance and sing to a song that is mainly known as the song on nick jr and/or dora. He looks CRAZY. I guess he doesn't want to give up on his fanticie dream of becoming a singer. And you could say his coreer is a goner.