Gregorian chants generally don't have too much in common with rock music. Sure, sometimes they set a brooding tone in an intro to a doom metal song, but rockers generally scream, growl, wail or sing.

It all started – as most good things do – on TikTok. I had just candidly filmed a mate staring into space, and it was now time to upload this scandalous footage in order to somehow dunk on her. I just ...