The ear and the mechanism of hearing

The ear converts the vibrations of air into electric signals which are then processed by the brain.

Characteristics of sound waves

This animation explains the most important characteristics of waves through sound waves.

Respiratory system

The respiratory system is responsible for the intake of oxygen and the release of carbon dioxide.

Voice production

When producing sound, the vocal cords are vibrated by the air flowing out of the lung.

How does it work? - Loudspeaker

In loudspeakers sound waves are generated by electromagnetic induction.

Theatre of Dionysus (Athens, 4th century BC)

The theatre that has a distinctive shape and excellent acoustics was situated at the side of the Acropolis in Athens.


The piano is one of the most popular instruments in the world. It is a chordophone which produces sounds mechanically.


A geisha is a traditional Japanese entertainer whose skills include performing classical music and dance.

Lute and hurdy gurdy

The earliest version of the lute appeared in ancient Mesopotamia.

String quartet

A string quartet consists of four string players, it appeared in the late 18th century.

Phonograph and gramophone

Edison´s invention records and plays sound from a cylinder, while Berliner´s apparatus uses a disc.


The bell is a percussion instrument and an idiophone. Many types of bells exist.

How does it work? - Record player

This animation demonstrates the mechanism and operation of record players.


A zither is one of the typical instruments of Hungarian folk music, played by strumming or plucking the strings.

Woodwind instrument

Woodwind instruments differ from brass instruments mainly in their reed.


Drums are played by hitting the membrane. There are many versions of drums.


The trumpet is a musical instrument with the highest register in the brass family.


The recorder is a woodwind musical instrument, a type of fipple flute.


The guitar is a plucked string instrument available in various shapes.


Panpipes (or pan flutes) are composed of several pipes of gradually increasing length.

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