"In 1938, Widdop was one of the four tenor soloists chosen to perform Ralph Vaughan Williams's "Serenade to Music", which had been written to celebrate Sir Henry Wood's silver jubilee as a conductor.In the solo lines written for them, Heddle Nash and Frank Titterton, with their lighter tenor voices, preceded Widdop (his solo line was "Still quiring to the young-eyed cherubins"), with the plaintive tones of Parry Jones concluding the section.