Amber bridge
flipped into Thinking & Creativity
https://medium.com/swlh/the-innovation-stack-how-to-make-innovation-programs-deliver-more-than-coffee-cups-7879c162b46d
https://www.youtube.com/watch?v=ra_lS3NndWE
http://mathcentral.uregina.ca/beyond/articles/Music/music1.html