I also find it hard to believe that he wrote it, since it is universally accepted that he dictated as others wrote....hard to believe that he alone came up with all of the stuff in the Qu'ran, and was able to put it together so well in his mind, and then properly recite it to others, who would then, of course, record it on I believe leaves and cow hide.
A demonic source is more likely than Mohammed, in my personal opinion.
As have I, we all have.I've heard plenty of "hauntingly beautiful" things that human beings have produced.
AmenGod has given humanity the gift of creating so I suppose you could say that such things are from God ultimately but they come into being through the workings of people.
.English Chant can be quite beautiful to some, as can Latin Chant or Sacred Harp singing or many other musics. Beauty and feelings are sometimes in the ear and mind of the beholder, I should think. To others it would not have the same appeal