"Mantaray" was co-produced by Steve Evans (who had previously worked with Robert Plant) and Charlie Jones (who had collaborated with Plant as well as with Goldfrapp). The drums were performed by Clive Deamer, who had previously played with both Plant, and Portishead. Evans and Jones together composed the music for the tracks "About to Happen", "If It Doesn't Kill You", "Sea of Tranquility", "They Follow You" and "Heaven and Alchemy". She worked in a different environnement with a touch of fear as she didn't know what to expect.