Final answer:
Antonio Vivaldi is credited with composing around 230 solo concertos for the violin, including the famous 'The Four Seasons'.
Step-by-step explanation:
Antonio Vivaldi wrote roughly 230 solo concertos for the violin. Vivaldi, an Italian baroque composer, violinist, and teacher, is widely known for his significant contributions to the concerto genre. His most famous set of concertos is 'The Four Seasons' which is a series of four violin concertos. These concertos are not only exemplary of his prolific work for the violin but are also among the most popular pieces in the classical music repertoire. Vivaldi's concertos were highly influential and played a key role in the development of concerto form during the Baroque era.