Jem Aswad Senior Music EditorBritish singer-songwriter Emeli Sandé has announced her forthcoming album, “Let’s Say for Instance,” will be released on May 6 via Chrysalis Records.Sandé has enjoyed enormous chart success in her native England, with her debut album, “Our Version of Events,” selling nearly five and a half million copies to date and becoming the biggest-selling album in the U.K. for 2012 (and the second-biggest for 2013).