High Quality Content by WIKIPEDIA articles! Ferry Corsten, also known under the alias System F, (born 4 December 1973) is a Dutch producer of trance music, in addition to being a DJ and remixer. He also hosts his own weekly radio show, Corsten`s Countdown. He routinely plays at events all over the world with crowds in excess of tens of thousands. In 2009 Ferry Corsten ranked #7 on DJ Magazine annual Top 100 DJ Poll. In 2010 he dropped down to #9. In 2011 Corsten dropped even lower to #18.