On the June 1 broadcast of 'Life Bar', legendary K-Pop group Sechskies appeared as guests. During the talk, MC Heechul surprised all as he knew not only the title tracks but all the songs included in Sechskies' 2nd album. 

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The idol star then revealed that he got to know about Sechskies because of his older sister, who was the biggest fangirl of the group. 

Heechul also shared that he was scolded by his sister for attending SM auditions. He said, "My sister yelled at me saying, 'How can you audition for SM when your sister is like the [fan] representative of Dae Sung Company (Sechskies' former label)?''

Heechul added that he also got to know all of the other artists under Dae Sung Company, such as Fin.K.L, because of his sister.