I am a return player and have a lot of practicing/learning to do. I am currently using a 7C Blessing mouth piece because it is what came with the student trumpet I am currently using. It seems to work just fine for me, I have what I would surmise as average size lips and normal facial structure. I am being very diligent on not using too much mouth piece pressure and developing an embouchure which is consistent with what I have read thus far. There is so much literature on the web, I am a bit tired of searching for my answers. When I play notes and have leakage, I am unsure what is best to do. Should I use more pressure or keep practicing and build embouchure structure until it goes away—will it go away? Will a more defined and strengthen embouchure structure eventually stop the leakage? Should I stop the leakage now by applying slightly more pressure with anticipation that as I develop in all areas the mouth piece pressure will decrease as proper embouchure is developed?