can you elaborate on musical instruments for me? i hear there is like wind sections and brass sections
There are lots of different kinds!  In general, musical instruments are created or adapted to make musical sounds
yep i figured that much! what else can you tell me i may not know?
Musical instrument
A musical instrument is an instrument created or adapted to make musical sounds. In principle, any object that produces sound can be considered a musical instrument—it is through purpose that the object becomes a musical instrument. The history of musical instruments dates to the beginnings of human culture. Early musical instruments may have been used for ritual, such as a trumpet to signal success on the hunt, or a drum in a religious ceremony. Cultures eventually developed composition and performance of melodies for entertainment. Musical instruments evolved
unless I can give them something else as good, or better, on the same line. If you will give me a set of brass instruments, I will give them to the "tom-tom boys" and they can toot on them, and this will stop the "tom-tom." 
Pratt soon received a set of musical instruments: cornets, clarinets, and pianos from Boston. 
While classical European music was emphasized at Carlisle, the students also sang and drummed traditional tribal music in their dormitories