William Sami Étienne Grigahcine, known by his stage name DJ Snake, is a French DJ and record producer, first achieving international recognition in 2013 by releasing an instrumentation-oriented single called "Turn Down for What".

"Turn Down for What" is a song by French record producer DJ Snake and American rapper Lil Jon released on December 18, 2013. The song and its viral music video popularized the use of the phrase. The song was particularly successful in North America, where it has earned eight platinum certifications in the United States. In late 2020, seven years after it was released, the video passed 1 billion views on YouTube.