Loz Contreras has been played on NTS shows including The Extended Play Sessions w/ Mr Pedro, with Sienta first played on 30 November 2013.

Loz Contreras, real name Lawrence Elias Contreras, is a drum & bass DJ based in Leeds, UK. He got into dnb in 2005 after listening to High Contrast's album High Society. At the time he was a funky house bedroom DJ, and when he studied university in 2006 his roommate, who was a liquid dnb producer, convinced him to start producing.