Alasdair Molloy explores the career of Eric Coates. Although best known for his signature tune to Desert Island Discs and The Dambusters March, Coates's orchestral music is coming back to the concert hall. Alasdair profiles a man who had to wear shirt, tie and tweed jacket and light up a cigarette before he could sit down and compose, as well as a man keen on photography, fast cars and the Charleston.