Coca Cola Eurochart Top 50 opening from Sky Channel in 1988. From the Escape disco in Amsterdam. With Pat Sharp and Mariska van Kolck. In 1989 Popformule (also with Mariska van Kolck) was introduced on Sky Channel. Regular Anchor of the Eurochart on Sky was Linda de Mol. The Eurochart and Popformule were both produced by John de Mol Producties, a dutch television company.