Heard something similar on Alexandre Desplat's score to the last "Harry Potter" movie. What I found interesting was how the woodwinds managed to cut through the very loud and busy arrangement. Usually when it comes to arrangements like this it's almost impossible to hear the woods. The key is to put them in a register high enough, and also give them some space rhythmically where they can push through and actually be heard.
Even though it's quite a big sound it's very simple when it comes to the number of Elements. If you have too many things going on it's hard to get the number of people you need for each part to really push the energy up.
Here's the sketch: