Alvinnn! and the Chipmunks: The Gifted

Hmm... where do anthropomorphic Chipmunks come from? Do they have their own secret village or something? Simon figured where they all come from, but the Chipettes lived in the orphanage right? Before they were found, what actually did happened? Or how did the Chipettes ended up in the orphanage? Simon decided to make a machine for his Science Project and their Story will be unfold. (Story Based on Matilda the Musical and some songs are from some theatrical plays)