Founded in 1994, jazzopen stuttgart is now one of Europe's leading jazz festivals. This year they will take place from July 18 to 29. On the two open-air main stages in front of the picturesque backdrop of Stuttgart Castle and in the courtyard of the Old Castle, international artists from the worlds of jazz, blues, soul and pop will perform over 12 days, including Herbert Grönemeyer, Lenny Kravitz, Sam Smith, MEUTE and Sting.