ROCKSTAR Vocals performed by Luena Lyrics by 별들의전쟁 * (GALACTIKA *) Written by 별들의전쟁 * (GALACTIKA *), 우빈 (GALACTIKA *), SameTime Background vocals by F R I D A Y . (GALACTIKA *) Drums by CHANG (GALACTIKA *) Guitar by Jaepil Jeong Bass by Jaepil Jeong Digital editing by HONZO Mixed by Junsung Jo (Assisted by Eunsook Heo) @W Sound Mastered by Joohyun Seong @Elephant sound Executive producer PEARL ABYSS