Violin - The smallest but highest pitch stringed instrument. It is played by moving the bow across the strings. The strings may also be plucked by the fingers. It is known as the heart of the orchestra
Viola - A little bigger and tuned a fifth lower than the violin.
Cello - Bigger than a viola but smaller than the double bass. Its strings are tuned in perfect fifths. It is played by bowing or plucking the strings. It is held between the knees when seated.
Bass - It is the biggest and has the lowest pitch in the string family. Its strings may be plucked or bowed while the player is standing because of its large body.
Harp - It is made up of 47 strings. It has a wide range of pitches and can produce both very low and high sounds. It is played by plucking the strings.
Piccolo - It is the smallest woodwind instrument. It produces pitches that are an octave higher than the flute.
Flute - It can produce high pitch sounds and in rapid succession. Orchestral flutes are usually made of metal although some are made of wood. It is an aerophone or reedless also known as edge-blown wind instrument.
Oboe - It has two reeds inthe mouthpiece. It is considered the most expressive woodwind instrument.
Clarinet - It is a woodwind instrument with only one reed. It can produce a wide range of low to high notes with versatile sound.
Bassoon - It is the biggest and has the lowest pitch in the woodwind family. It can produce a comic and unique sound that is why musicians call it as the "clown" of the orchestra.
Saxophone - It is a woodwind instrument but made of brass played with a single reed mouthpiece. Its sound is in the middle of the woodwind and brass sections.