The pipe organ is an iconic musical instrument that has a rich history dating back to ancient times. Synonyms for the pipe organ include the church organ, cathedral organ, concert organ, and classical organ. The church organ is perhaps the most commonly known synonym since it is primarily used in religious ceremonies and services. The cathedral organ, on the other hand, is commonly heard in large churches or religious buildings with exceptional acoustics. The concert organ is used in professional concert performances in large concert halls, and the classical organ is used in classical music compositions. Each of these synonyms may have slight differences in their tonal range and appearance, but all offer an incredible sound and distinct experience for players and listeners alike.