do you know Bok van Blerk, he has a song called Delarey?

Answer 1

All links I find for Bok van Blerk point to South Africa, not to the Netherlands.
I had also never heard about him, and I listen to the Dutch radio about 14 hours a day.

Just google him, or follow these links:
http://www.oneworld.co.za/ProductSpecific.asp?uref=&ProductCode=MZCD01&OrderID=&AffiliateID=
http://en.wikipedia.org/wiki/Bok_van_Blerk
http://mhambi.blogspot.com/2006/10/de-la-rey-bok-van-blerk-musiek-video.html