https://www.dummies.com/article/academics-the-arts/music/instruments/bass-guitar/how-to-play-major-chord-inversions-in-c-on-the-bass-guitar-154736/
major chordplayinversions
https://freesound.org/people/juskiddink/sounds/112564/
Freesound: collaborative database of creative-commons licensed sound for musicians and sound lovers. Have you freed your sound today?
f majorfreesoundpianochordoctave