The Grafenegg Music Festival is a new major international Austrian festival for classical music close to Vienna. The annual festival takes place on the grounds of Grafenegg Castle. Two major venues have been built for the festival in the park of the castle: The open-air stage Wolkenturm (capacity 1,730, opened 2007) as well as the new concert hall Auditorium (capacity 1,372, opened 2008).

The artistic director is pianist Rudolf Buchbinder. The festival's program consists of symphonic and chamber music as well as recitals. International guest orchestras are performing as well as the Austrian Tonkünstler Orchestra, which serves as orchestra in residence. The first festival started on August, 23rd, 2007 and lasted until September, 9th, 2007.