The largest piano ensemble consisted of 555 participants led by conductor Lee Sun-Young at the ‘555 Fantastic Piano Festival’ organised by Young Chang Co. Ltd (South Korea) at the Incheon Samsan World Gynasium, Incheon, South Korea on October 7 2007

The ensemble featured 348 upright pianos, 31 grand pianos and 176 synthesisers.

The concert was held to celebrate the city of Incheon winning the right to host the 2014 Asian Games.