https://www.theguardian.com/music/2009/apr/02/barack-obama-presents-queen-ipod
“For this wasn’t just any old MP3 player. The Queen’s official gift from the 44th president and his wife, Michelle, features footage of her 2007 visit to the US, as well as numerous Broadway songs, and comes with a songbook for the King and I signed by composer Richard Rodgers. No word yet as to whether the playlist contained Pass the Duchy or anything by, well, Queen. Her Majesty, however, is said to be “delighted” following their meeting yesterday.”
Then Princess Elizabeth was in Kenya on a state visit when news of the death of her father, King George VI, was made known. This might explain her fondness for Kenyans.