Made by: AG89/AwesomeGamer89
Original Video: https://www.youtube.com/watch?v=lBktrzZXm3A
Download: In it

Used Program: UMP, Aviutl, FFMpeg, NVEnc
Used Soundfont: KSP Small (No Layers+ Rnd Delay).sfz
Used Synth: KMC

This soundfont was made by KaleidonKep99, you can find it here: https://github.com/KaleidonKep99/Steinway-D-274/releases