- 26 Years (26년)
- Kkot (꽃)
"26 Years" is a collaboration digital single released by over 40 artists for the release of the film of the same title 26 Years. The song is a cover of Lee Seung Hwan's 2005 song of the same title. The single features the following artists:
- Main vocals: Lee Seung Hwan, Lee Kyu Ho, Yoon Sang, Lee Seok Hoon, Jung Ji Chan, Kim Hyung Joong, Yozoh, Yoon Do Hyun, Horan, Kim Jong Seo and Im Seulong.
- Chorus: Romantic Punch, Soran, ACHTUNG, Annyeongbada, Lee Seung Hwan band, Ynot?, Lee Young Won, Lee Hyun Suk, Rose Motel, zitten, The Koxx, Taru, Trans Fixion, Pia, Peterpan Complex, Jin Gu and Bae Soo Bin.