A cathedral instrument is a type of musical instrument that is usually found in cathedrals and other large religious buildings. This type of instrument is often used to provide the background music for religious events, including weddings and funerals. There are many synonyms for the term "cathedral instrument," including pipe organ, church organ, and liturgical organ. These instruments are known for their large size and complex sound, often featuring multiple keyboards and a wide variety of pipes and other components. The Cathedral instrument is an integral part of the rich cultural heritage of many countries and continues to inspire and captivate audiences around the world.