Yesterday, September 8, a digital single featuring Clazziquai‘s Horan was released. Recorded together with Outsider and MC Sniper, the hip hop-ish song called 심장병 (Heart Disease) is the first in the Hwantastic Project series which is leading up Lee Seung Hwan‘s 20th anniversary. Watch the music video on YouTube, and read more at Seoulbeats or allkpop.