The brass player’s mouth buzzes and causes sound when put together with the instrument The player’s MOUTH is what causes the sound to change.
The Trumpet and Cornet are two different instruments but their differences are so trivial, beginning band teachers don´t distinguish between the two. These instruments are the highest and smallest members of the brass family.Trumpet Cornet
The French Horn is a brass instrument somewhat larger than a trumpet so it’s pitched lower. It´s a beautiful sounding instrument but beginners should be aware of a serious difficulty with learning to play the French Horn.French Horn
The Trombone, unlike the French Horn and Trumpet is considered 'low brass' and reads from the bass clef, opposed to the higher treble clef that is read by the higher instruments. The trombone is a brass instrument with a unique feature. Rather than valves or keys that are pushed with the fingertips, the trombone uses a slide to change pitches.Trombone
The Baritone and Euphonium are two seperate instruments but the difference is minor and not important for a beginning band student. A baritone or euphonium can be considered a double sized trumpet or a half sized tuba.Baritone Euphonium
The Tuba and Sousaphone are two seperate instruments but the difference is minor and not important for a beginning band student. They are the largest and lowest instruments of the brass family.Tuba Sousaphone