The Vienna Philharmonic’s Summernight Concert at Schönbrunn Palace is one of the world’s most celebrated open-air events—broadcast to over 70 countries and enjoyed by thousands in person. For lighting designer Jerry Appelt and the GLP team, it’s more than a production. It’s a passion project built on trust, seamless collaboration, and long-standing partnerships. In 2025, we lit up the stage with over 400 state-of-the-art GLP fixtures, including 148 × impression X5 IP Maxx, 76 × impression S350 W