What is so great about the jonas boys?

What is so great about the jonas brothers besides their looks ? Cause I can see why people likes joe, he has an amazing vioce, and kevin is awesome at playing and also singing when he does, about nick well he plays the guitar and the piano okay I guess, but nick and kevin are not that great at acting so what are they doing at camp rock? If they didn't even audition,

I don't know but they suck at acting && singing[sorry 2 the people who dont agree but its true]

I have to said that they are just great singers, and performer. I just really like them b/c they're hot, and sing great.

my point they have some qualities but everyone is always focusing a lot in their looks