That’s usually called a crescendo–decrescendo pattern in music: getting louder, then softer, then louder again can also be described as a dynamic swell or a loud-quiet-loud change.

Quick Scoop

  • Crescendo means gradually getting louder.
  • Decrescendo or diminuendo means gradually getting softer.
  • If it snaps between levels suddenly, musicians may call it subito dynamics rather than a smooth swell.

Plain-English version

If you heard a song go loud to soft to loud , the person describing it probably meant the song had dynamic changes.

In casual conversation, people also say it has a soft-loud-soft or loud- quiet-loud feel.

Why it matters

That pattern is a common way composers and producers add tension, contrast, and emotional lift.

It can make a chorus feel bigger, a bridge feel more intimate, or a sudden return to loud feel more dramatic.

Tiny example

A song might start with a strong loud section , drop into a quiet verse , then explode back into a big loud chorus.

That’s the kind of structure people are usually talking about when they mention the “loud to soft to loud” thing.

If you want, I can also name the term for a specific song structure like verse, chorus, or bridge.