An Encounter with Pagan Metal

Except that what I heard then were no musical notes. These were sounds of the earth. Crackling; slowly rumbling; like a fissure opening up on the ocean floor; or a mountain growing, or a volcano awakening after millennia of stillness. The music had not even started that I was already captivated.

Reading the Silmarillion

Ultimately, whether he intended the Silmarillion to function as a national epic for England, Britain, the Anglosphere, or the entire world does not really matter all that much. What matters is that he succeeded.