Tom has come up with many ideas over the years, but its time to let some of them go.
MATT: youtube.com/unnamedculprit | TOM: youtube.com/TomScottGo

Similar from Matt:
Five Minutes in Matts Mind: www.youtube.com/watch?v=Xdl7VaxdTzA

Pendulum — Slam: www.youtube.com/watch?v=eyAA18es8es
(the bit we were singing was 1m20 in)

Disco carriages in trains: www.youtube.com/watch?v=ObEJk4bAV8M

Pips: en.wikipedia.org/wiki/Greenwich_Time_Signal