(for the YouTube videos right click to loop videos, press < > to change speeds and numbers 1-9 to skip through videos,see full list of keyboard shortcuts)
(best viewed on a laptop, in Google Chrome.)
(You can use the QR code to share between devices as people spread out (and move) across the performance space.)
The diagram below gives the exact pitches of each of the videos (the note and cents) and their position on screen.