 Irvine died in 1887, and the attribution of the tune to Grant went unchallenged for many years.In the 1940s, a rival claim emerged in form of a letter written in 1911 by Jessie's sister, Anna Irvine, to the Rev Robert Monteith, then the minister of Crimond Church.In the letter, Anna claimed that the tune had been composed by Jessie and that Grant had only provided the harmony.