“World in Gourd”,Hulusi is a clarinet-like instrument in southern China, and it is especially favored by Dai, Yi, and Miao ethnic minorities. It has a bamboo wind tube and gourd resonance chamber, with two auxiliary wind tubes play two fixed notes for harmonics. Due to the mellifluous and lovely sound of Hulusi, it is massively used to express romantic relationships and accompaniment for lyrical dance.