I watched a television program with people who were competing to be on Broadway. I couldn't believe how well they sang and danced! 
I watched a competition show on television in which people were competing to be on Broadway. They were amazing! They could sing and dance so beautifully! 
user
You must have been so impressed. They must have been quite talented.
assistant
They were unbelievable. They were also so attractive - just really stunning.  
user
I wish I could dance like that! Too bad I am only good with computers!
assistant