pseudomonas

Little aubergines, on the hillside; little aubergines made of aubergine;
Little aubergines, on the hillside; little aubergines all the same;
There's a purple one and a purple one and a purple one and a purple one
And they're all made out of aubergine and they all look just the same.
(repeat until asleep)

I have checked; the Royal Albert Hall website doesn't mention whether or not Hitler's testis is on diplay in their exhibition area.