The kalimba, or thumb piano, is an easy way to make some music even if you have next to no idea what you’re doing. The only real downside is that they are limited to the twinkly sounds of metal tines being plucked by thumbs.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/03/06/thumbs-up-to-this-pico-midi-kalimba/