Expressive power refers to the ability of music to convey emotions, feelings, and ideas through its elements such as melody, harmony, rhythm, and dynamics. In the context of the concerto form, it highlights how composers like Vivaldi utilized these musical components to create vivid emotional landscapes, engaging listeners on a deeper level. This term emphasizes the importance of emotional expression in musical works and showcases how instrumental music can evoke a range of responses without the use of lyrics.
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