The most appropriate choice based on the texts is:
(Choice A) Changing consumer behaviors are leading to changes in music-related businesses.
Both texts discuss how shifts in consumer behavior—such as the rise of the experiential economy and the increasing importance of live performances for musicians due to changes in music consumption (like streaming)—are influencing the music festival business and the music industry overall. Choices B, C, and D do not accurately reflect the perspective presented in the texts.