Among Nielsen's orchestral works for the stage are "Aladdin" (1919) and (The Mother), Op. 41 (1920). "Aladdin" was written to accompany a production of Adam Oehlenschläger's fairy tale at The Royal Theatre in Copenhagen. The complete score, lasting over 80 minutes, is Nielsen's longest work apart from his operas, but a shorter orchestral suite consisting of the "Oriental March", "Hindu Dance" and "Negro Dance" is often performed. , written to celebrate the reunification of Southern Jutland with Denmark, was first performed in 1921; it is a setting of patriotic verses written for the occasion.