sentences:  In 1922 Roger Quilter, who had written much for Elwes and worked closely with him, dedicated his 'Morning song' (Thomas Heywood) to Coates, one of his most vibrant and characteristic miniatures, though Coates did not give the first performance of it.As the 1920s unfurled, Coates faced competition at home from an emerging generation of British tenors led by Walter Widdop and Heddle Nash.He toured overseas energetically and in 1925 he made his only extended tour of North America, including Canada as well as the United States on his itinerary.