1990s composers Joo Young Hoon Yoon Il Sang celebrate the special performance episode called 'Saturday Saturday Is a Singer' of the popular MBC entertainment program 'Infinite Challenge.' Composers Joo Young Hoon and Yoon Il Sang both commented about 'Saturday Saturday Is a Singer' on their Twitter accounts. Composer Joo Young Hoon said yesterday, "I spent my 20s and 30s with music. The songs in 'Saturday Saturday Is a Singer' are dance songs, but tears are coming out of my eyes. I spent half of my time in recording studios at that time. Thank you and thank you again." Composer Yoon Il Sang also commented that he feels grateful to hear the music he composed in his 20s again. Composers Joo Young Hoon and Yoon Il Sang composed songs of popular 1990s singers such as Um Jung Hwa, Turbo, Lee Jung Hyun and Cool. In related news, on the most recent episode of the popular MBC entertainment program 'Infinite Challenge,' the members recruited popular singers from the 1990s and hosted a stage performance, showing popular songs from the 1990s. The MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don.