پولیفون
Sign in to savethumb|right|A Polyphon playing "Silent Night" (the music starts 68 seconds into the video)
Wikidata facts
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- inception
- 1908-01-01
- Commons category
- Polyphon
Sources (1)
via Wikidata · CC0
Gallery (2)
Available in 11 languages
via Wikidata sitelinks · CC0