Largest melodica ensemble

According to Official Guinness Records,

The largest melodica ensemble consists of 688 people and was achieved at an event organized by Hamamatsu city (Japan) in Miyakoda Sogo Park, Hamamatsu, Shizuoka, Japan, on 3 March 2013.

For a complete list of 2013 records, please visit 2013 Guinness Records in Japan.

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