Definition: The Pogonius, also known as a pogo, is an ancient musical instrument that was used in ancient Greek music and possibly other cultures around the world. It consisted of two large metal cylinders joined together at their common axis, which allowed for complex harmonies to be created by playing different parts simultaneously on these instruments. The Pogonius became a symbol of power and prestige among musicians, often associated with royalty or military leaders. In terms of biology, the term "Pogoni