In 1997 they were asked to play during the fiftieth anniversary of the Marshall-plan in Rotterdam, the Netherlands, for, among others, Bill en Hillary Clinton, Dutch crown prince Willem Alexander and former Dutch prime minister Wim Kok.
Di 1997 mereka diminta untuk bermain di ulang tahun kelimapuluh Marshall-plan di Rotterdam, Belanda, untuk, antara lain, Bill dan Hillary Clinton, putra mahkota Belanda Willem Alexander dan mantan perdana mentri Belanda Wim Kok.