Plot: Stravinsky: Le Rossignol (The Nightingale) In the second of this year's visits to the Henry Wood Promenade Concerts Jane Glover introduces Stravinsky's evocative setting of HANS ANDERSEN'S fairytale The Emperor and the Nightingale. At the excitable court of a Chinese emperor, the beautiful song of a real nightingale triumphs over the attractions of a mechanical rival