Of course. ;) I elaborated on harmonic mutations in a paper here: http://dahart.com/paper/hart_evomusart_2007_paper.pdf and there's a gallery of images on Flickr: https://www.flickr.com/photos/biv4b/albums/576553
You can find a bunch of his videos on YouTube too.
https://youtu.be/AgeuRukfZLE https://youtu.be/vIVjEkWTEXI https://youtu.be/SLAa-CnUEW4 https://youtu.be/JBgG_VSP7f8