My friend was able to travel to the Uffizi Museum in Italy, knows nothing of Art or History and therefore did not appreciate it( she was actually bored)
Yet I am unable to go and I am a Historian....
This excerpt from a page on the official Star Wars site:
"But as a fun aside, Michel d'Annoville also decided to create the Hip Hop Yoda Easter Egg secretly located on the Revenge of the Sith DVD. Ironically, the rapping Yoda sequence was never initially intended to be hidden on the DVD."