The track is another taster of upcoming record Many Levels Of Laughter, due out next month via Joyful Noise.
Speaking about the video, Rocha said: “I was looking to create an atmosphere and bring out everything I had in mind when writing it."
The track features on upcoming EP Weed Is For The Parrots, and links up with "I'm Not Alone" in previewing the release.
Speaking about the cut, China said: “I wanted ‘Now You Know’ to be quite literally like I was lying in bed, sweating with regret."
The Ladytron singer pitches in for a dangerous taster of the Icelandic musician's new album.
It follows last month's "Into The Orchid", and strays towards a poppier, smoother sound.
Norwegian newcomer Frøkedal reveals brand new song "Surfers" ahead of her debut UK show next week.
The Scottish singer-songwriter will soon play his first London headline date, at the Islington, on 26 May.
Gulf's "Ocean" is as shimmering and undulating as its namesake.
It's dreamy and dismissive, and is the best musical backhand you'll hear.