It's hard to decide how to match words to music. It's not like it's twice the work. It's always difficult for me to explain to the composer what I'm looking for. I'm not a professional; I lack even basic knowledge about writing music.
There are two types of films - one made by the big-time producers, the other is low budget stuff made by some producers who make films for the heck of it, they complete their films for small amounts, sell it at low costs with almost no publicity.
The plane is simply abstracting the power stored in the wave by a distant gale, and using it to counteract gravity. And if the work be continued long enough, or a multitude of planes be continually drawing on the reservoir of power, the wave must inevitably be flattened.