Jef Martens is a Belgian record producer, musician, and DJ born in 1975. He specializes in electro house music and is signed to the ARS label. Over the course of his career, Jef Martens has worked under a variety of aliases, including Bitch Boys , Lazy Jay , and Kings of Porn . He co-produced Azealia Banks debut single " 212 " and the track " Scream & Shout " for will.i.am and Britney Spears . He also collaborated with the Belgian group Lasgo in 2009–2010. His contributions to electro house have made him a prominent figure in the genre.

• Genres: Мировая классика
• Country: Belgium
• Language: English