"Composted" Natural Recordings by Native Speakers
Broken down into simpler organic matter, typically through a natural process involving microorganisms and heat, to create a nutrient-rich soil amendment.
Compositions refers to written or musical works created by combining different elements such as ideas, themes, or sounds to create a unified whole. In music, a composition is a piece of music written by a composer. In writing, a composition is an essay or piece of writing that combines ideas, arguments, and evidence to support a claim orthesis.
I think the correct word is "compositional." Compositional refers to the art or process of combining different elements to form a harmonious whole.