Rainz - Let it go, let it be (Rainz - Let it go, let it be) Ma Eun Jin(Playback) - Strange Day (Ma Eun Jin(Playback) - 낯선 하루) Yang Da Il - Touch Of Love (Yang Da Il - Touch Of Love) Park So Yeon(LABOUM) - I Feel Love (Park So Yeon(LABOUM) - I Feel Love) Cha Hee(Melody Day) - Stain (Cha Hee(Melody Day) - 얼룩) Cha Hee(Melody Day) - Stain(Ballade Version) (Cha Hee(Melody Day) - Stain(Ballade Version))