What is National Merri Music Day?

National Merri Music Day is held in Jamaica on October 25 to celebrate an innovative sound system and a music scheme that began post World War II in Jamaica..

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We're commemorating the Merritone Sound System as the world's oldest sound system on record on National Merri Music Day. Merritone is the only sound system built in the original sound system era of the 1940s and 1950s that is still in operation. Merritone Music, as the last sound standing, has encouraged music enthusiasts around the world to learn about the historical movement that has influenced musical genres in Jamaica and around the world. Merritone Music is the last sound standing.

What is a sound system?