Koonta的新单曲《20 blues》是由Koonta独特而深刻的歌词和新锐制作人ARCX，obmil，hoyeon合作而成。在Koonta的深沉嗓音中，让歌曲更具宽度。Credits작곡 : 쿤타, ARCX (아르코), obmil, hoyeon작사 : 쿤타편곡 : ARCX (아르코), obmil, hoyeonKey : ARCX (아르코)Synth : ARCX (아르코), obmil, hoyeonBass : ARCX (아르코)Additional Voice : hoyeon, GodiamondMixed by ARCX (아르코) @arcxoxo at ZONE XOXOMastered by 최효영 at SUONO MASTERING