Well, it has not been confirmed, but every most stars are required to sing. Here is a list of Disney stars who have had to sing or became singers.Singing Disney StarsMiley Cyrus (Sings as Hannah...
I would suggest Disney Channel (not Disney Jr.) for 7-11 year olds. 12+ should watch Nick or Teen Nick. That's my opinion though, I'm 7-11 and I watch Cartoon Network and Disney.