Do we need (with Faver) Composed by 667, Faver Arranged by 667 Lyrics by Faver Bass by 667 Guitar by 문민석 Mix by Houdini Mastering by Houdini Recorded by Faver IAGR (with Faver, Monello) Composed by 667, Faver, Monello Arranged by 667 Lyrics by Faver, Monello Instruments by 667 Mix by K Mastering by K Recorded by C.P.U @Monello at MNL Studio, Faver Spill (with Faver) Composed by 667, Faver Arranged by 667 Lyrics by Faver Bass by 667 Piano by 이한슬 Mix by K Mastering by K Recorded by Faver Artwork by Terry Kang