Princess Marie attended the opening concert of the new international classical music festival named Schackenborg Music Festival at Schackenborg Castle in Tønder. Schackenborg Music Festival is being held for the first time this year and is taking place from 13th to 15th August at Schackenborg Castle. The Castle was handed over to the Schackenborg Foundation in 2014. Prince Joachim and Princess Marie are founders of the Schackenborg Foundation.