Seven-year-old musical ambassador Anna Cacilia Pfoess is among the Austrian delegation, led by Austrian President Alexander Van der Bellen and Chancellor Sebastian, to make an official visit to China from April 7 to 12. /CFP Photo

She will play before state leaders from both sides using a violin used by legendary composer Wolfgang Amadeus Mozart during his childhood. /CFP Photo

The violin is believed to have been made in the 1740s, and has been on display since 1896 at a museum in Salzburg where the composer was born. /CFP Photo

The historic visit marks the first time in Austrian history that the country's president and chancellor have visited another country together. /CFP Photo