Website (Homepage) http://www.rollercoaster.co.kr/ Integrity (Formed) 1999 / Republic of Korea Profile (Profile) Roller Coaster Acid Jazz Band since 1999 Team formation and one home "to me," released (99) The first concert @ keolteuhol (99) The second concert @SH Club (2000) Lee Sang-soon of the suspended activities due to the Dutch study (2006) Members (Group Members) Jinu - bass guitar Jowonseon - vocals Lee Sang-soon - Other