This guy Mark Johnson travelled around the globe and recorded different folks singing and playing the same tune – then edited it together for this film.
What if we could do this realtime for a worship service – have a few different countries, all playing the same song, piped together on some fiber network, broadcast to the nations . . . hmm.
[youtube https://www.youtube.com/watch?v=Us-TVg40ExM&hl=en&fs=1]