Ulala Session (Korean: 울랄라 세션) is a South Korean boy band that rose to fame after winning the 2011 television talent show Superstar K 3. The group currently consists of members Kim Myung-hoon, Park Seung-il, Choe Do-wo. The group originally included Lim Yoon-taek, who died from gastric cancer in 2013, and Park Kwang-sun, who left after enlisting in the military in 2015. Choe Do-won and Ha Jun-seok joined the group in 2016.