Suggestions

mikebruty - Happy
SoundOfGaming - big toe
Nukiepoo - Music
skyrspr - kittens

Idea

Kitten sound musical keyboard!
Collect a kitten sound(s)
Play a kitten sound in the key of A
Play a kitten sound in the key of G
Display a keyboard on screen
Click the keys to play that specific tone

Credits

Kitten Meow - https://freesound.org/people/Breviceps/sounds/448084/