The Frontier Festival is a vibrant event taking place on September 7, 2024, at Veerplas in Haarlem. It showcases a diverse music lineup, from emerging artists to established acts. The festival features sections like 'Slow Down' for inner exploration through meditation and breathwork, 'Energize' for experiencing new music, inspiring art, and comedy, and 'Pleasure Up' for immersing in a stunning show of illuminated art installations and lively music acts. For more details, visit their website.