brass instrument are wind instrument, typically made of brass, that utilize a mouthpiece (instead of a reed) and three or four valves to create different tones.The trumpet is the brash and annoying younger brother of the brass family, the trombone is the more stable older brother, and the tuba is the not-always-serious uncle.Also hanging around is the weird foreign relation,the French horn, and a few other unusual relatives,such as the baritone.Brass instruments use either the treble or bass clefs,depending on their predominant pitch.The following table describes the ranges and characteristics of the brass family.