The song "All Day Long" was recorded by Kyuhyun as Part 3 of the OST for drama "When The Weather is Fine." The song was released on March 16, 2020 and peaked at 142 in the Gaon Music Chart. The Super Junior member also recorded a remake version of the hit 1993 song "Confession Is Not Flashy" by Lee Seung Hwan for OST Part 4 of the popular tvN drama Hospital Playlist. The remake was released on April 03, 2020 and peaked at 8 on the Gaon Music Chart. Kyuhyun's remake of "Confession Is Not Flashy" was also nominated for the 30th Seoul Music Awards for Best OST.