I'm not sure if this question was asked before, but it just popped into my head. I was listening to a compilation of the different musical tracks used in Soarin' over California's queue on YouTube, and after a while of listening and reading comments, I found out where they came from.
A lot of the tracks originated from the soundtracks of movies and television shows, mainly the orchestrated ones with a lot of power. Some of the tracks I heard make a lot of sense, especially given the context of the ride. The theme from the movie Air Force One, the original theme from Battlestar Galactica, the theme for the movie Apollo 13, the movie theme to The Rocketeer, and the track "Cody's Flight" from the movie The Rescuers Down Under all play in the queue. All of them have to with flight or travel in their original source material's context, and that translates nicely into the theme and idea of Soarin's queue.
Then there are some tracks I don't understand as to why it's in the queue at all. The themes and music from Hook, Band of Brothers, Street Magnolias, and Medicine Man all play in the queue as well. I must admit, they sound pretty and are almost indistinguishable from the rest if you don't know their original source. But this selection doesn't make as much sense as the previous ones. The previous musical selections all have ties to a movie (Or a scene in the movie) that has to deal with flight or the idea of traveling by air. The second selection was just picked because they sounded pretty. I mean, I have no complaints to it, since I find the entire Soarin' over California queue soundtrack relaxing, beautiful, and powerful as a whole, but it was just a minor question that graced my mind while listening to the queue music.