The '''Estonian Song Festival''' (in Estonian: '''''Laulupidu''''') is one of the largest choral events in the world, listed by the UNESCO as a Masterpiece of the Oral and Intangible Heritage of Humanity. It is held every five years in July on the Tallinn Song Festival Grounds (''Lauluväljak'') simultaneously with the Estonian Dance Festival. The joint choir has comprised more than 30,000 singers performing to an audience of 80,000.