Lee Ru-ma (Korean: 이루마; born February 15, 1978), better known by his stage name Yiruma (Korean: 이루마), is a pianist and composer from South Korea.Yiruma frequently performs at sold-out concerts in Asia, Europe and North America. His alma mater, King's College London, helped him gain European popularity and recognition. Among his most popular pieces are "River Flows in You", "Kiss the Rain", and "Maybe".