This sound effect can be found on Orchestral Colours, which was made by Best Service.
https://soundeffects.fandom.com/wiki/File:15_A_MAJ_-stereo.wav https://soundeffects.fandom.com/wiki/File:15_C_MAJ_-stereo.wav https://soundeffects.fandom.com/wiki/File:15_D-sharp_MAJ_-stereo.wav https://soundeffects.fandom.com/wiki/File:15_F-sharp_MAJ_-stereo.wav