The Icelanders meld seamlessly with the London Contemporary Orchestra, musically and visually, with both camps all in monochrome, mingled together under a sea of star-like lights. skip past newsletter promotion Sign up to Sleeve Notes Free weekly newsletter Get music news, bold reviews and unexpected extras. If you do not have an account, we will create a guest account for you on Newsletters may contain information about charities, online ads, and content funded by outside parties. If you do not have an account, we will create a guest account for you on theguardian.com to send you this newsletter. Lapwood and the choir remain for Sigur Rós’s biggest hit, Hoppípola, the energy finally spilling over into something genuinely sublime.