Originated from two Italian word “tromba” and “one”; trombone literally means a large trumpet. And just like many other brass family musical instruments, Trombone too is a musical equipment related to this family. Technically, trombone functionality matches with that of telescope slide mechanism which helps in varying the pitch of sound by changing the length of the instrument. However, nowadays trombone comes with a rotary valve that helps the musician in setting the appropriate pitch for it. Available in many variants, the most common variants of trombone are bass trombone and tenor trombone. Ideally, any trombone structure comprises of 11 basic parts namely, tuning slide, counter weight, mouthpiece, bell, slide lock ring, knob, main slide, spit valve, first slide brace/stay, second slide brace/stay and a bell lock nut. Even though the anatomy of trombone seems simple but the mechanics and functionality of it is not as easy as it seems to be. And it is the mechanics of this eq...