How do you pronounce Elessar?

I believe nationality plays a part in one's pronounciation dont you? While it is true that what Tolkien says goes, we still have the english saying eg. al-you-min-e-um and the americans saying a-LOOM-inum. You say tomayta and I say tomato. It's all good...or is it??? Personally, I say
El-ESS-ar but Eles-SAR is growing on me for its frenchnessness. Isn't language amazing? Especially when you invent your own words. I think Tolkien was onto something....