Yes, the actual タイトル of the video is "?". Anyway, George Blagden (who played Grantaire), changed the lyrics of this song to describe Enjolras' and Grantaire's relationship. It's really great.
Hi fellow Les Mis fans! This is my first cover of I Dreamed A Dream, which might be my お気に入り song from Les Mis, but it's so hard to choose one! Enjoy and dream on!