I wouldn't be surprised if the reason it's so famous is simply because it has that title. B. wrote 32 sonatas, only a few have titles, and they're usually the

I wouldn't be surprised if the reason it's so famous is simply because it has that title. B. wrote 32 sonatas, only a few have titles, and they're usually the most known ones. No one remembers "Opus 27 No. 2". Don't get me wrong, it's a beautiful movement, but there's much better ones among his sonatas.