A calliope is a steam-powered musical instrument that produces sound using a series of large, tuned whistles or pipes. When steam or compressed air is forced through these pipes, they emit loud, distinctive notes. The calliope is often associated with circus and fairground music due to its powerful, melodious sound that can be heard from a distance. It is typically operated by a keyboard or a roll mechanism, allowing for a range of musical compositions to be played. The calliope's bright, resonant tones and its visually impressive appearance make it a unique and memorable instrument.

英語での「calliope」の定義と意味

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