Eelke Kleijn

Eelke van Kleijn, known professionally as Eelke Kleijn, is a Dutch electronic music producer and DJ from Rotterdam. His work is rooted in electronic dance music, spanning styles commonly associated with deep and melodic strains of house and tech house. Alongside his club-focused output, he also composes and produces music for other media, including television series, commercials, movie trailers, and animation.

In addition to releasing music under his own name, he has used a range of aliases and name variants, including Eelke van Kleijn, E Kleijn, E. Kleijn, Six4Eight, and The World, among others. His recordings have appeared through established electronic labels, and he later launched his own imprints. In 2006, he started Outside The Box Music, which later ceased operations in 2013. He subsequently founded the label DAYS like NIGHTS in 2017, linking his artist project with a platform for releases and label activity.