'Sik-K (식케이)' [youth.wit.purpose] 이번 싱글은 YELOWS MOB(옐로즈 맙)의 그루비룸(GroovyRoom), 방달(Vangdale)이 프로듀서로 참여했으며 [youth.wit.purpose] 목적있는 젊음이란 뜻으로 뜨거운 여름보다 더 뜨거운 사랑을 찾아 헤매는 젊은이들의 공감대를 형성한다. 1. 그래 그냥 내게 바로 (Skip And Kiss) (Prod. GroovyRoom) Lyrics by Sik-K Composed by Sik-K, GroovyRoom Arranged by GroovyRoom Vocal by Sik-K Chorus by Sik-K Piano, Bass by 박규정 of GroovyRoom Synthesizer, Drum by 이휘민 of GroovyRoom Guitar by 박기태 2. 너가 좋아하길 (Up All Night) (Prod. Vangdale) Lyrics by Sik-K Composed by Sik-K, Vangdale Arranged by Vangdale Vocal by Sik-K Chorus by Sik-K Piano by binoy Synthesizer by Vangdale Bass by binoy Drum by Vangdale Guitar by Vangdale