Florence + The Machine scored their first No. 1 single this week with 'Spectrum (Say My Name)'. The band already have two No. 1 albums to their name in the UK with 'Lungs' and 'Ceremonials', but this is the first time they have topped the singles chart. Watch the video for 'Spectrum (Say My Name)' below - directed by David La Chappelle and John Byrne.