Which term represents being expressive with tempo flexibility?

The term that represents being expressive with tempo flexibility is "Rubato." This concept involves the subtle alteration of tempo for expressive purposes, allowing the performer to stretch or compress the rhythm within a musical phrase. The intention is to convey emotion or enhance the interpretative quality of the music. In practice, this means that the performer might speed up or slow down the tempo at certain points, creating a more personal and nuanced performance.

The other terms do not convey the same sense of tempo flexibility. "Risoluto" typically means resolute or decisive, indicating a strong and vigorous style of playing without the expressive nuance that rubato provides. "Schnell," which translates to "fast" in German, indicates a specific tempo rather than an expressive quality. "Sehr," meaning "very" in German, is an adverb that qualifies the degree of an instruction but does not incorporate the idea of expressiveness or tempo flexibility on its own. Hence, rubato is the correct answer for representing expressive tempo flexibility.