Just ran across "Orchestra of the Age of Enlightenment". Here's a good vid on music theory (the Harmonic Series); while using a horn to illustrate it for the most part, the chords shown near the end are uke:
Anyway, it's a neat YT channel, with lots of amazing music and instruments. Enjoy!
Anyway, it's a neat YT channel, with lots of amazing music and instruments. Enjoy!