Nonperiodic sounds like chimes also decompose into pure sinusoidal partials, just inharmonically spaced.

Evidence

What about nonperiodic sounds, such as a chime? These too fall into the domain of the Ohm-Helmholtz laws—the partials in a chime tone are also pure sinusoids, except that they are not harmonically related. — Eric J. Heller, Why You Hear What You Hear- An…, 2047

Categorization

• XREF: Sets up the harmonic-vs-inharmonic distinction that drives pitch salience questions later in the book.