Of all the performing arts, Czechs have arguably made their greatest contribution in music, and Prague is a great place to sample the sonatas. It was here where Mozart chose to premiere his opera, Don Giovanni, fearing Viennese audiences at the time wouldn't get such a demanding piece of music. The best-known Czech classical composer, Antonín Dvořák, was born not far from the capital, in the village of Nelahozeves. Another celebrated composer, Bedřich Smetana, hails from eastern Bohemia, yet the subject of his greatest symphonic work, The Moldau, is the Vltava river (Moldau being the German word for Vltava). Today, the commitment to classical and opera continues in the form of the Prague Spring music festival in May, and at high-brow venues like the Rudolfinum and National Theatre.