Step 1 : Introduction to the question "Which concerto in Vivaldi's "The Four Seasons" honors spring?"
...The Four Seasons (Italian: Le quattro stagioni) is a group of four violin concerti by Italian composer Antonio Vivaldi, each of which gives musical expression to a season of the year. ... The Four Seasons is the best known of Vivaldi's works. The Four Seasons (Italian: Le quattro stagioni) is a set of four violin concertos by Antonio Vivaldi. Composed in 1725, The Four Seasons is Vivaldi's best-known work, and is among the most popular pieces in the classical music repertoire.
Step 2 : Answer to the question "Which concerto in Vivaldi's "The Four Seasons" honors spring?"
Vivaldi's wrote his best known work "The Four Seasons" around 1720 and saw it published in 1725 in Amsterdam. The group of four violin concerti that make up "The Four Seasons" are each Vivaldi's musical interpretation of the seasons. It begins with his tribute to spring with Concerto No. 1 in E Major. Vivaldi also published accompanying poems with the concerti, something unusual for the time. The poetry helped to explain what it was about each season that Vivaldi found inspirational to his music. Source: Britannica.com