THE HAGUE - Royal Couple King Willem-Alexander and Queen Maxima and Princess Ariane Alexia and Amalia provide a stage for The Streamers' online concert on King's Day The Streamers consist of Guus Meeuwis, Rolf Sanchez, Kraantje Pappie, Suzan & Freek, VanVelzen, Davina Michelle, Paul de Munnik, Typhoon, Thomas Acda, Diggy Dex, Nick & Simon, Maan, Danny Vera, Miss Montreal and Paul de Leeuw. Band manager Frank Lammers is also present. netherlands Photo by Robin Utrecht/ABACAPRESS.COM