The question of mouthpiece placement is an issue of air efficiency. When everything is working efficiently ie. mouthpiece placement, angle of horn, mouthpiece pressure, etc. the sound will indicate this balance. When I say efficient conditions, this is indicated as a big sound. Experienced trumpet players recognize this tone and describe it as “fat”, “well rounded”, “on fire”. To the uninitiated it might be described as a room filling sound. This was illustrated to me at Roosevelt University in downtown Chicago when Mr. Bud Herseth illustrated a musical passage to his room full of excited listeners. When “Bud” blew an…