You feel the music needs something but you don't know what. So you start searching, fitting, measuring, trying. Every time you try another angle. And sometimes that's frustrating, especially if you don't come up with something for three days.
When you're playing music, say for instance, you're playing a part of the band and you're looking at your music, your horn is down into the stand. This way, it's up and it goes right on out to the audience, you know?