The organ is one of the oldest instruments still used in European classical music that has commonly been credited as having derived from Greece. Its earliest predecessors were built in ancient Greece in the 3rd century BC.

What Is a Pipe Organ?

The pipe organ is a musical instrument that produces sound by driving pressurized air (called wind) through the organ pipes selected from a keyboard.
Because organs are commonly found in churches and synagogues, the organ repertoire includes a large amount of sacred music, which is accompanimental as well as solo in nature.