Frontman Justin Vernon explained the song title in an interview with Mojo: "It's partly named after the (geological) era, but it's also the name of a bar in Portland where I had a dark … See more

The music video, directed by Nabil Elderkin, was filmed in the region of Vík in Iceland with a Red Camera. It features a blonde Icelandic boy waking up and roaming around the island's volcanic landscape and glaciers, equipped with just a walking stick. Since … See more

The song was highly acclaimed by critics. Pitchfork named it as the second best song of 2011, saying "the rising and falling chord changes create a sense of motion that develops throughout the whole song, a tide-like ebb and flow that ends with an abrupt … See more