I'm a freshman trumpet player, and recently, I switched from a 7c to a 3c. My range improved a lot, and I was really happy with my new mouthpiece. Then (around last Friday), I started playing a lot of high notes, testing my range (up to high c) and I couldn't play anymore after a while of that. The next day, I tried playing, but I couldn't, so I thought that my chops were tired. I tried playing again two days later, but my range was still really limited. Over Thanksgiving, I didn't play, but today when I tried to play, I was still limited to a E in the staff. Is there an explanation to what's going on to me right now? Could it be overplaying that's caused temporary damage or is it something else like playing high notes that were actually above my comfortable range?