Is Vivaldi's Four Seasons considered idiomatic writing?

Yes, Vivaldi's "Four Seasons" is considered idiomatic writing, as it showcases the unique characteristics and capabilities of the violin and string ensemble. The concertos are tailored to the instrument's strengths, featuring virtuosic passages, vivid imagery, and dynamic contrasts that evoke the changing seasons. Vivaldi's use of specific techniques, such as rapid scales and double stops, exemplifies his deep understanding of violin performance, making the work a quintessential example of idiomatic composition for the instrument.