Performance Credits LE SSERAFIM Primary Artist Josefin Glenmark Vocals (Background) Score Keyboards Megatone Bass Jonna Hall Vocals (Background) Blvsh Vocals (Background) Pau Vocals (Background) Technical Credits Jeremy G Composer Manny Marroquin Mixing Engineer Josefin Glenmark Composer,Producer Paulina Cerrilla Composer Chris Galland Mixing Engineer Josh Gudwin Mixing Engineer Anne Judith Wik Composer,Producer Nermin Harambasic Composer,Producer Ramiro Fernandez Assistant Jaro Composer,Composer,Producer Bang Si Hyuk AKA "Hitman" Bang Composer,Producer Ronny Svendsen Composer,Producer Daniel Kim Composer Caroline Gustavsson Composer,Producer Score Composer,Producer,Digital Editing,Vocal Arrangement Hyung Seok Lee Composer Ga Young Composer,Composer Lauren Kaori Composer Destiny Rogers Composer,Producer Megatone Composer,Producer,Digital Editing,Vocal Arrangement Ronnie Icon Composer,Producer Danke Composer,Producer,Composer Phil Schwan Composer,Producer Oneye Composer,Producer Kim Chae Won Composer Heidi Wang Assistant Sunshine Composer,Producer Kim Chaewon Composer Score (13) Composer,Producer Kim In-Hyung Composer Jinwoo Jeong Composer HYBE Composer,Producer Ramiro Fernandez-Seoane Assistant Matt Cahill Assistant Nikolay Mohr Composer,Producer Jonna Hall Composer,Producer PNP Composer Blvsh Composer,Producer Pau Composer,Producer,Composer,Composer,Producer Lady V Composer,Producer Kayofkaj Composer,Producer Emmy Kasai Composer,Producer Abir Producer,Composer,Composer 13 Producer Lauren Karoi Composer Jeong Jinwoo Composer Geoff Swan Mixing Engineer Supreme Boi Composer,Producer Stella Jang Vocal Arrangement Kim In Hyeong Composer Miwaflower Composer In Hyeong Kim Composer Kyler Niko Composer,Producer Huh Yun Jin Composer Yang Gayoung Composer Heo Yunjin Composer Alysa Composer,Producer