The leader of the band passed away in 2013 due to cancer. Ulala Session talked about their tragic loss on the February 28 broadcast of 'Idol Party'.

Park Seung Il�stated, "There was a lot of trouble with our agency after Yoon Taek hyung left. I drank a lot and eventually I reached the point where I couldn't make a sound because I was screaming after drinking. I also developed stage fright."�

MC Kim Joon Ho�asked how he overcame the struggles and Park Seung Il answered, "I was able to overcome it thanks to Myung Hoon. I had to lead the team but I was always drinking so Myung Hoon coldly snapped and told me that he wanted to do music with someone better than me."

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Kim Myung Hoon further explained, "I felt like I had to protect the team that Yoon Taek hyung left behind. I couldn't stand it any longer and gave the hyungs some harsh advice."