I uploaded this as a follow up to this: https://derpibooru.org/images/2915560

This shows how they would have been at that point of the song, "The Place Where We Belong".

I was always curious on how Gallus, Smolder and Yona were upside down. I was thinking, "Have they took lessons from Pinkie?" and looking back at the image from "Friendship University", I realized that they were probably looking down in the position you're seeing in the picture above.