In music, what does the term 'cresc.' usually direct musicians to do?

The term 'cresc.', short for 'crescendo', is an instruction in music that directs musicians to gradually increase the volume of sound. This technique helps to create a sense of build-up and excitement in the music, enhancing its emotional impact. Musicians typically interpret this marking by steadily intensifying their playing or singing over a specified duration. Therefore, recognizing 'cresc.' as a call to build dynamics is essential for conveying the intended expression in a performance.