Winter Ahead (with 박효신) Produced by HYESUNG(혜성), Waizmin (박효신, V, HYESUNG(혜성), Jesse Harris, Waizmin) Keyboard - HYESUNG(혜성), Waizmin Drum - HYESUNG(혜성), Waizmin Bass - HYESUNG(혜성), Waizmin String Arrangement - HYESUNG(혜성), Waizmin Background Vocals - Milena (밀레나) Vocal Programming - HYESUNG(혜성), Milena (밀레나) Vocal Arrangement - Pdogg Recording Engineers - Pdogg @ Dogg Bounce 최혜진 @ HYBE Studio Digital Editing - Pdogg, 김수정 Mix Engineer – Mark “Spike” Stent @ SLS (Assisted by Matt Wolach, Kieran Beardmore)