“Where should I place my mouthpiece when I play my trumpet/cornet?” The placement of your mouthpiece can be affected in many ways. If you have scare tissue as I do, (a friend through a brick and hit me square on the chops) you will notice that the affected area does not vibrate as other tissues does. If your dental facial structure is less than ideal, (front teeth protrude or are highly irregular) you may encounter more comfortable or less comfortable areas to place the mouthpiece. The position of your jaw will also affect your mouthpiece placement. If the world was perfect…