diau

Diau, also known as the "diau" or "diaulo," is a type of ancient Greek musical instrument. It is a double-pipe wind instrument, similar to a shawm or oboe, but played with two pipes simultaneously. Each pipe typically has finger holes, allowing for the production of different notes. The diasolo was often used in religious ceremonies, processions, and theatrical performances in ancient Greece. Its sound was described as loud and penetrating, capable of being heard over the din of crowds and other instruments.

The exact construction and playing technique of the diaulo are not fully understood, as surviving examples are rare and detailed descriptions are scarce. However, archaeological evidence and artistic depictions suggest it was likely made of wood or bone. The instrument is believed to have been played by holding one pipe in each hand, with both pipes inserted into a common mouthpiece, often made of reed. Musicians could play melodies on one pipe while the other produced a drone or a counter-melody, creating a rich and complex sound. The diaulo's versatility and its ability to produce a powerful sound made it a prominent instrument in ancient Greek musical life, contributing to the sonic landscape of their society.