September is the month that Selby Folk Club celebrates song. The line-up is predominantly a capella showcasing blissful harmonies guaranteed to send shivers down your spine. Here's the guest list;       Songrise Four women drawn together by their love of music and harmony, 'Songrise' are Emily Hayes, Flip Case, Katie Hull-Brown and Nicki Johnson. Songrise sing about life, love and constellations in luscious vocal harmony. From epic anthems inspired by Maya Angelou, the classics of Sting and…