This sound effect can be found on Orchestral Colours, which was made by Best Service.
https://soundeffects.fandom.com/wiki/File:31_D-sharp_MIN_-stereo.wav https://soundeffects.fandom.com/wiki/File:31_F-sharp_MIN_-stereo.wav https://soundeffects.fandom.com/wiki/File:31_A_MIN_-stereo.wav https://soundeffects.fandom.com/wiki/File:31_C_MIN_-stereo.wav