Klaas Gerling, widely known as Klaas, is a renowned German DJ and record producer hailing from Cologne. He has made significant contributions to the music industry under the label Scream & Shout, remixing tracks for esteemed artists such as Dimitri Vegas and Like Mike, DJ Antoine, Stromae, Armand Van Helden, and Eric Morillo. One of his most notable achievements was his remix of "Infinity" by Guru Josh, which soared to the top of the Belgian chart and reached the second spot on the Dutch chart in 2008. The popularity of his production "Infinity 2008 (Klaas Vocal Edit)" led to the attainment of Gold, Silver, and Platinum records in numerous countries, accompanied by over 100 million views on the official YouTube video.

In 2009, Klaas's own release titled "Our Own Way" secured a spot in the top 10 in France. Since 2016, he has collaborated with Dimitri Vegas, Like Mike, and Dimitri Vegas' wife MATTN to create modern adaptations of classic club hits, including "Ocarina," "Cafe Del Mar," "Universal Nation," and Robert Miles' "Children" in 2019. Klaas continued to make waves with his 2018 single "OK Without You," amassing over 40 million streams on Spotify. Another release from the same year, "Close to You," garnered more than 20 million streams. His collaboration with London Beat on "I've Been Thinking About You" reached the number one spot on the US Billboard Dance Charts in spring 2019. As of 2021, Klaas boasts a staggering 6 million monthly listeners on Spotify, further solidifying his influence and popularity within the music industry.