a. The violin soloists are reproducing numerous sounds of nature within this magnificent composition. Permitting the violin to play birdlike trills and high running scales creates bird sounds. Murmuring brooks sounds are created by making the orchestra play softer, which designs a visual depiction of water flowing because of the whispering figures the instruments create. Allowing the solo violin play repeated notes and fast ascending minor-key scales with the orchestra playing in the background creates thunder and lightning sounds. Using ritornellos in E major and others in relative minor (C-sharp) creates the sound of spring. From the information and painted pictures I have gathered, I can conclude that the specific image Vivaldi is trying
