It's banjo. There have been several slow films, whose subjects have become iconic over time. I believe that if you mention "the horse" to someone who knows Slow Cinema, s/he will most certainly think of Béla Tarr. The same goes for "the whale". I have an immediate association with Tsai Ming-liang's The Wayward Cloud if someone mentions "the melon". Describing a film with the help of a single word does not necessarily reduce them to something limited. On the contrary. This one word starts a train of thoughts and memories regarding . . .