n'est pas

QUIZ

His Excellency President for Life, Field Marshal Al Hadji Doctor Idi Amin, VC, DSO, MC, Lord of All the Beasts of the Earth and Fishes of the Sea, and Conqueror of the British Empire in Africa in General and Uganda in Particular.

Is it:
a) Idi Amin's offical title as president of Uganda

b) A Sufjan Stevens song