Christmas Oratorio Card

I was working on a poster project for my church to announce upcoming Christmas festival by children. This is a different concept with the poster but I would like to share it.

Bach's Christmas Oratorio starts with trumpet and large-scale choirs are following. I thought my illustration and colors fit well with that oratorio.

You can check full oratorio here.
https://www.youtube.com/watch?v=vXNX6Ulzvn0