Calliope (noun)

1. A musical instrument consisting of a steam-operated keyboard that produces sound by sending air through pipes.
2. A distinctive, usually high-pitched and reedy sound produced by this instrument.

Origin:

Late latin, from greek kalliōpē, the muse of epic poetry.

Examples:

1. The calliope's cheerful tune could be heard from miles away.
2. The calliope was a staple of circuses and carnivals.
3. The calliope player was a skilled musician.
4. The calliope's sound was said to be like that of a celestial choir.
5. The calliope was featured prominently in the parade.