My brother is dexterous in playing trumpet is a brass instrument 
A trumpet seems like a difficult instrument to master.
wWLL IT INVOLVES CONSTANT PRACTICE,Trumpets are used in art music styles, for instance in orchestras, concert bands, and jazz ensembles.
I bet!  I really don't know a lot about the instrument or who may be famous for playing it.
jazz ensembles, as well as in popular music. They are played by blowing air through nearly-closed lips (called the player's embouchure), producing a "buzzing" sound that starts a standing wave vibration in the air column inside the instrument. Since the late 15th century they have primarily been constructed of brass tubing, usually bent twice into a rounded rectangular shape.
There are many distinct types of trumpet, with the most common being pitched in B (a transposing instrument), having a tubing length of
Trumpet
A trumpet is a brass instrument commonly used in classical and jazz ensembles. The trumpet group contains the instruments (such as the piccolo trumpet) with the highest register in the brass family. Trumpet-like instruments have historically been used as signaling devices in battle or hunting, with examples dating back to at least 1500 BC; they began to be used as musical instruments only in the late 14th or early 15th century. Trumpets are used in art music styles, for instance in orchestras, concert bands, and