Bjork has revealed that she is working on a new album but, after last year's tortured heartache album Vulnicura, this one will be happier.

The Icelandic experimental pop icon said she is working again with Alejandro Ghersi, the Venezuelan DJ better known as Arca, who helped create the beats layered behind the lush strings on Vulnicura.

The 2015 album, which came after a four-year gap by Bjork, delved into her emotional journey as she split with her longtime partner, New York artist Matthew Barney.

"It's really early on, and I don't even know if I should say (it), but I have got three songs down with Alejandro," Bjork told the latest issue of the fashion and culture magazine AnOther.

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"The last album, we sort of call it 'hell' - it was like divorce! So we are doing paradise now. Utopia. We have done hell, we have earned some points," she said.

Bjork said that she continuously wrote songs subconsciously while experiencing nature.

"I go to my cabin, go for a walk in the mountains, and after 20 minutes you just start humming and then the melodies kind of pop out, you know?" she said.

Bjork released Vulnicura ahead of schedule after a leak and initially refused to stream it, saying it did not feel right to distribute such a personal album for free.

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She initially supported the album with intimate shows at Carnegie Hall and other New York venues, and she was featured in a retrospective at the Museum of Modern Art.

Bjork eventually took the Vulnicura tour to Europe but abruptly ended it, saying that performances took too much of an emotional toll.

Despite critical acclaim for Vulnicura, it was passed over for a Grammy Award, with Bjork tied for fourth among artists with the most nominations without ever winning.

- AAP