What is crescendo followed by diminuendo?

Crescendo followed by diminuendo is a musical term that indicates a gradual increase in volume (crescendo) followed by a gradual decrease in volume (diminuendo). This can be achieved by gradually increasing the dynamic markings, such as from piano (soft) to forte (loud), and then gradually decreasing them back down to piano.

This technique is often used to create a sense of drama or suspense in music, or to highlight a particular musical phrase. It can also be used to create a sense of movement or transition, or to add a sense of crescendo or diminuendo.