Tomaz Lasic, who works with us here at Moodle HQ as our Education Researcher, has produced . Thanks Tomaz!
Here they are embedded in one long playlist:
Feel free to use and re-use these as you wish.
There's no background music, because we assume you probably already have your own tunes on. However, if you want a suggestion then something funky like "Chameleon" by Herbie Hancock works for me.