[quote=@Carantathraiel]
I was bothered by- when they were all up in the hills and the kids said they didn't know how to sing .... leisl was singing in the gazebo just prior.
Teens always lie. 
[/quote]

Don't you know, silly girl, in a musical not always are the singing parts sung. When the actors break into random song that would otherwise make no sense, in the movie/play reality, they aren't [i]really[/i] singing, it is just for effect.