Most electronic elements were not overdubbed but recorded live in the studio. Greenwood used the music programming language Max to sample and manipulate the band's playing; for example, he used it to process his guitar on "Go To Sleep", creating a random stuttering effect. He continued to use modular synthesisers and the ondes Martenot, an early electronic instrument similar to a theremin"." After having used effects pedals heavily on previous albums, he challenged himself to create interesting guitar parts without effects.