This sound effect can be found on Orchestral Colours, which was made by Best Service.
https://soundeffects.fandom.com/wiki/File:33_C_FEEL_-stereo.wav https://soundeffects.fandom.com/wiki/File:33_D-sharp_FEEL_-stereo.wav https://soundeffects.fandom.com/wiki/File:33_F-sharp_FEEL_-stereo.wav https://soundeffects.fandom.com/wiki/File:33_A_FEEL_-stereo.wav