An excellent Chrome experiment for playing with sounds. Targeted to kids, but I just spend an easy 30minutes there, with my inside kid.
And what I was talking about was this site: https://musiclab.chromeexperiments.com/Experiments
Follow friends and discover new ones. Publish anything you want: links, pictures, text, video. This server is run by the main developers of the Mastodon project. Everyone is welcome as long as you follow our code of conduct!