Enjoyed his participations in the "four horseman of the apocalypse" Also https://www.youtube.com/watch?v=IZefk4gzQt4 https://www.youtube.com/watch?v=IZefk4gzQt

Enjoyed his participations in the "four horseman of the apocalypse" Also https://www.youtube.com/watch?v=IZefk4gzQt4 https://www.youtube.com/watch?v=IZefk4gzQt4 - From Bacteria to Bach and Back Apt for today's world. Could listen to him all day.