Simon Posford is a British musician and producer, best known for his work in the electronic music genre. He gained prominence as a member of the psychedelic trance duo Shpongle, which he formed with Raja Ram in the late 1990s. Posford's unique sound blends various musical styles, incorporating elements of world music, ambient, and downtempo. In addition to his work with Shpongle, Posford has released solo albums under the name Hallucinogen. His music is characterized by intricate soundscapes and innovative production techniques, making him a significant figure in the global electronic music scene.