If you want to read an article about the landing of the Allies in Normandy at the date, 7.August 1943, which is noted on the wing of the airplane follow the link:
http://www.hetutrechtsarchief.nl/collectie/kranten/un/1943/0807
Here you can listen to the music that was played during Kees Aben performance in Amersfoort.
Symphony No. 2 in C Minor 'Urlicht' : Sehr feierlich, aber schlicht: http://youtu.be/cCdchFmE1FI