모든 괴물들에게 [WHOO] Composed & Lyrics by 박건후 Arranged by 온성근 String Arranged by 온성근 Piano & Keyboard 온성근 MIDI Programming 온성근 Chorus 박건후 - Produced by 박건후 Recorded by 정우성 @Mplus Studio Mixed by Modo @studio.Hertz Mastered by 권남우 @821 Sound Mastering Artwork 여르미 Instargram:gun00h