Complex sentence: "Brianstorm" (often mistaken as'Brainstorm') was written by the Sheffield-based indie rock band Arctic Monkeys it is the opening track on their second album, "Favourite Worst Nightmare".
Split into simpler sentences: Brianstorm (often mistaken as'Brainstorm') is a song by the English indie rock band Arctic Monkeys. It is the opening track on their second album, "Favourite Worst Nightmare".