Claudius Afolabi Siffre (born 25 June 1945) is a British singer, songwriter, musician and poet. Siffre released six albums between 1970 and 1975, and four between 1988 and 1998. His best known compositions include "It Must Be Love" (which was famously covered by the band Madness), "Crying Laughing Loving Lying", and "(Something Inside) So Strong". His music has been sampled extensively by hip-hop artists, including Eminem, Jay-Z, and Kanye West. Siffre has published essays, the stage and TV play Deathwrite and three volumes of poetry: Nigger, Blood on the Page and Monument.