The harp produces sound when its strings are plucked, causing the strings to vibrate and move air through space. The strings are attached to a soundboard, which also vibrates and moves air, resulting in audible sound wav... More »

A trumpet makes sound when the musician makes a buzzing sound while blowing air through closed lips and into the mouthpiece. The air causes a standing wave vibration in the air column inside of the trumpet, which travels... More »

A drum makes sound due to the vibrations of the material stretched across its hollow body. When a stick, mallet, or hand strikes down on this surface material, it begins to vibrate up and down. The vibration moves the ai... More »

The modern concert harp produces a rich, ringing sound when the harpist plucks the strings or brushes her hand over them. As is heard in the beginning of the second movement of Caesar Franck's Symphony in D minor, the ha... More »

A violin produces sound through the vibration of its strings, which occurs when the player draws the bow over the strings and sets them in motion. From there, the bridge of the violin transmits those vibrations to the ba... More »

A trumpet makes sound when the musician makes a buzzing sound while blowing air through closed lips and into the mouthpiece. The air causes a standing wave vibration in the air column inside of the trumpet, which travels... More »

The clarinet produces sound by blowing air across a reed, into the mouthpiece, down through the body of the instrument and by pressing keys or covering holes on the instrument to change notes. The notes change in this ma... More »