I watched The Tango Lesson today. I like some art house, for lack of a better term, but this was one that didn't interest me at all. Towards the middle of the film, I couldn't help letting out an audible groan every time the characters began dancing. I understood the importance of it, but I simply didn't care. I couldn't connect with the characters in any way - actually, I found them irritating to the core (especially actor/director Sally Potter).
Those of you who have seen it may disagree, and that's cool. That's what art is all about. For me, though, it was tedious to the point of tears.