I also used these realistic sounds in a psychological way. With The Good, the Bad and the Ugly, I used animal sounds - as you say, the coyote sound - so the sound of the animal became the main theme of the movie.
Ennio MorriconePopularity doesn't bother me. It attests to the affection and comprehension of the public. The important thing is to retain the pioneer spirit. I profoundly love the profession, and I work on each film as if it were the first - and the last. Giving the best of myself. Many of the 'greats' ask their arranger to write their scores for them. Me, I write all alone, from the first note to the last. All.
Ennio MorriconeYou can see my decision as either a distinctive factor or as a limitation. I don't feel it is a limitation.
Ennio Morricone