Steven Wilson -"Harmony Codex" / Steven Wilson is an English musician and record producer. Currently a solo artist, he became known as the founder, lead guitarist, singer and songwriter of the band Porcupine Tree. He has also worked with artists such acts as Opeth, King Crimson, Pendulum, XTC, Tears for Fears and Roxy Music. His honors include four Grammy nominations: twice with Porcupine Tree, once with his collaborative band Storm Corrosion and once as a solo artist. The Harmony Codex is his most ambitious album to date.