Sigur Rós perform new song "Óveður" at Primavera

Sigur Rós performed a brand new song called "Óveður" at Primavera in Barcelona last weekend, footage has now emerged and sees the band doing a very stripped back performance, with just the three 'core' members performing. But once again it's a spaced-out, anthemic and chilling track, basically what Sigur Rós do best.

You can watch the clip just below - and let us know what you think of it.