Alexander Ridha, better known by his stage name Boys Noize, is a German electronic music producer and DJ who has been making music since 2004. In his diverse career, he has produced tracks from rap legends such as A$AP Rocky, Snoop Dogg, and UnoTheActivist, to experimental groups like noise rock band HEALTH.

He has also worked with rappers Ty Dolla $ign, Smokepurpp, Kreayshawn, and Tommy Cash. With Skrillex, he forms the electronic act Dog Blood.