"Ah, a bard," he nodded along, listening about this Sylvando person. "But yes, it's basically like that; a song one sings when one needs a distraction."

Isabel had a point about their noise level, but Aziraphale couldn't resist talking. Call it a nervous habit.

"Multiverses sounds like a science-fiction thing." Which wasn't to say it wasn't true, just that it was all a bit too perplexing and ineffable, and seemed like a long rant Crowley would get on after a few too many bottles of wine in the bookshop. Or something that Shadwell or Miss Device would believe in. But it was enough of a hand-waving explanation for the oddness they had experienced here, he supposed. "It's a shame there aren't more of us explicitly from Earth to compare notes. I should like to know some of our differences.
Tell me, did your world have a Rock-And-Roll band known as Queen? My friend's car was immensely fond of them."