1. Winter Ahead (with 박효신) Produced by HYESUNG(혜성), Waizmin(박효신, V, HYESUNG(혜성), Jesse Harris, Waizmin)Keyboard - HYESUNG(혜성), WaizminDrum - HYESUNG(혜성), WaizminBass - HYESUNG(혜성), WaizminString Arrangement - HYESUNG(혜성), WaizminBackground Vocals - Milena (밀레나)Vocal Programming - HYESUNG(혜성), Milena (밀레나)Vocal Arrangement - PdoggRecording Engineers - Pdogg @ Dogg Bounce 최혜진 @ HYBE StudioDigital Editing - Pdogg, 김수정Mix Engineer – Mark “Spike” Stent @ SLS (Assisted by Matt Wolach, Kieran Beardmore)2. Winter Ahead (with 박효신) - Instrumental Produced by HYESUNG(혜성), Waizmin(박효신, V, HYESUNG(혜성), Jesse Harris, Waizmin)Keyboard - HYESUNG(혜성), WaizminDrum - HYESUNG(혜성), WaizminBass - HYESUNG(혜성), WaizminString Arrangement - HYESUNG(혜성), WaizminRecording Engineers - Pdogg @ Dogg Bounce 최혜진 @ HYBE StudioDigital Editing - Pdogg, 김수정Mix Engineer - Mark “Spike” Stent @ SLS (Assisted by Matt Wolach, Kieran Beardmore)3. Winter Ahead (with 박효신) : Silent Carol Ver. Remixed by HYESUNG(혜성), Waizmin, GILLAProduced by HYESUNG(혜성), Waizmin(박효신, V, HYESUNG(혜성), Jesse Harris, Waizmin)Keyboard - HYESUNG(혜성), Waizmin, GILLADrum - HYESUNG(혜성), Waizmin, GILLABass - HYESUNG(혜성), Waizmin, GILLASynth - HYESUNG(혜성), GILLAString Arrangement - HYESUNG(혜성), GILLABackground Vocals - Milena (밀레나)Vocal Arrangement - PdoggRecording Engineers - Pdogg @ Dogg Bounce 최혜진 @ HYBE StudioDigital Editing - Pdogg, 김수정Mix Engineer - HYESUNG(혜성)