updated 03/30/2014 AT 2:00 PM ET
•originally published 03/30/2014 AT 3:20 PM ET
The cast of the show got together for an episode of Inside the Actors Studio on Thursday, and when they did, it was legendary.
It wasn’t the first time the pair have sung the song together – the Les Mis fans previously performed a snippet on The Megan Mullally Show in 2006.
We don’t know what we enjoy more, the pair’s eagerness when they’re asked to perform it or their costars’ amusement at hearing it one more time.