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The two, who�took a proof shot of their collaboration,�lent their voices for 'Roommate OST Part 1', which is composed by the 'Roommate' OST album's musical director Yoon Jong Shin and Lee Geun Ho, written by Paki A.T, and arranged by TEAM89's Postino. Other Mystic89 family members like�Kim Yeon Woo, Jo Jung Chi, Park Ji Yoon, and Pure Kim will also participate in the 'Roommate' OST.

Kim Ye Rim and Eddy Kim's duet song "Roommate" for the 'Roommate' OST will drop on June 2 KST, but you can listen to a preview on the June 1st episode. Stay tuned for the MV as well!