"Spem in alium" in memory of Terry Pratchett

YouTube link.

"In June 2011 Terry Pratchett presented a one-off BBC television documentary entitled Terry Pratchett: Choosing to Die on the subject of assisted death. It won the Best Documentary award at the Scottish BAFTAs in November 2011. He also stated several times that, when he dies, he wished to hear Thomas Tallis's Spem in alium played in the background."

Reddit memorial megathread.