The Karlskirche (= Charles Church) was finished in 1737. Three years later, the venetian priest and composer Antonio Vivaldi moved to Vienna and it is very well possible that he visited this brand new extraordinary sacral building. Vivaldi himself died in Vienna on July 28th 1741. He was buried just a few metres from the Karlskirche at "Spitaler God's Acre". Today, there is the building of Technical University and just a small sign on it remebers Vivaldi. The grave and the bones are - like Mozart's - lost.

Only a few years before Vivaldi moved to Vienna, he composed his most famous "Four Seasons", a compilation of four revolutionary concerts for solo violin and string orchestra. Four poems (maybe written by Vivaldi) are the image of the composition which depict a furious thunder storms and flashes, breaking ice and twittering of birds, sleeping shepherds, barking dogs, a band of hunters...