Trumpet - It is the smallest and has the highest pitch in the brass family. It is played by blowing air in its cup-shaped mouthpiece and pressing the valves to change the pitch.
Trombone - It has a pitch that is a little lower than the trumpet. It produces a brassy sound when blown from its mouthpiece. It is the only sliding instrument that shifts pitch in any key.
French horn - It has a long length of tubing coiled in to a circular shape with flares into a bell at the end. It produces a mellow sound and is played by blowing air into its funnel-shaped mouthpiece
Tuba - It is the biggest and has the lowest pitch in the brass family. Sound is produced by vibrating lips into its cup-shaped mouthpiece
Snare drum - It provides a rattling sound in a composition because of the metal wires attached diagonally at its bottom head.
Timpani - It is a single drum head that has a definite pitch. It is usually played in pairs and its sound is produced by striking its drum head with a mallet. It is often halled as "kettledrum" because of its shape.
Bass drum - It is the biggest and has the lowest pitch in the percussion family. Its low and deep sound is produced by striking its head with a stick or mallet.
Cymbals and pairs of round plate-like instruments clashed together, or played by striking them with a beater.
Xylophone/Marimba - THey are percussion instruments consisting of a graduated series of wooden bars, usually sounded by striking with a small wooden hammer or mallet.