• Pipe organs, which use air moving through pipes to produce sounds. The air is supplied by bellows, an electric motor or water. Since the 16th century, pipe organs have used various materials for pipes, which can vary … See more

The pipe organ is the largest musical instrument. These instruments vary greatly in size, ranging from a cubic meter to a height reaching five floors, and are built in churches, synagogues, concert halls, and homes. Small organs are called "positive" (easily placed in … See more

Mechanical organs include:
• Barrel organ: made famous by organ grinders in its portable form, the larger form often equipped with keyboards for human performance
• Organette: small, accordion-like instrument … See more

• Organ repertoire
• List of organ composers
• List of organists
• Residence organ
• Street organ See more

Predecessors
Predecessors to the organ include:
• Panpipes, pan flute, syrinx, and nai, etc., are considered as ancestor of the pipe organ See more

Reed or pump organ
The pump organ, reed organ or harmonium, was the other main type of organ before the development of the electronic organ. It … See more

Classical music
The organ has had an important place in classical music, particularly since the 16th century. Spain's Antonio de Cabezón, the Netherlands' Jan Pieterszoon Sweelinck, and Italy's Girolamo Frescobaldi were three of the most … See more