Antonio Vivaldi (1678-1741) stands, with Handel and J.S. Bach, as one of the titanic figures of late Baroque composition. Not only was he lauded as a composer of vocal and instrumental works both sacred and secular, he was without serious competition, the most prolific composer of his age. In addition to hundreds of vocal works, includingforty-nine operas, he composed five hundred concertos. The Four Seasons are probably the best known of his concerti with the second movement,