“WHO?”Lyrics by YounLivinGoComposed by YounLivinGoArranged by SΛDAME StudioBackground Vocals by YounLivinGoSaxophone Performed by YounLivinGoSound design Performed by YounLivinGoMixed by SΛDAME/YounLivinGoMixed by SΛDAME studioMastered by SΛDAMEBeat maker WHI