Exact Match:
- harmonium
- a free-reed instrument in which air is forced through the reeds by bellows
Synonyms:
- Hammond organ,
- baroque organ,
- calliope,
- calliophone,
- choralcelo,
- electric organ,
- electro-pneumatic organ,
- hydraulic organ,
- melodeon,
- melodica,
- orchestrelle,
- organ,
- organophone,
- pipe organ,
- reed organ,
- seraphine,
- steam organ,
- symphonion,
- tracker-action organ,
- tubular-pneumatic organ,
- vocalion