Complex sentence: Karl Arthur Renstrøm was replaced by Sten Erik Svendheim in July 2003, and the band began the recording of their debut album, "The Sense Apparatus", in October of 2003.
Split into simpler sentences: Karl Arthur Renstrøm was replaced by Sten Erik Svendheim in July 2003. The band began recording their debut album, "The Sense Apparatus" in October of 2003.