If you had a chance to learn a new language for free, which would you pick?

And is it the language you're "drawn to"? For example I'd love to learn Swedish if I had a chance, or even Romanian but I'm drawn to the Spanish language and would definitely pick that instead. It's probably because I only listen to Spanish music so I've becoe accustomed to hearing it and now have a "taste" for it. What about you?? :D