So recently I've really been trying to understand this tongue arch concept so I can apply it to my playing as a Lead Trumpet in my school. I also figured it was a concept you might need to develop with time away from the Trumpet, but I can't arch my tongue towards the roof of my mouth at all even without a mouthpiece on my face. I can arch it downwards, but no luck at all otherwise.
I'm not sure if something's just wrong with my natural tongue position or if you need to really work on that. I'm being really patient with this and I'm excited to start practicing this once I can just start to arch my tongue the way I need to. Any help?