[1] The song's composition consists of a piano, and a saxophone drop, accompanied by Schulz's beats, and Thompson's vocals.

At the beginning of the song, the vocals and the drop, a loud, horn-like sound effect is played.

The accompanying music video for "Sun Goes Down" was made in September 2014 by director Lilja and shows various protagonists in different places all over Europe.

Filmed in four locations around Europe, the video features actress and model Milla Puolakanaho in Turku, Finland, a group of friends around cinematographer Karol Łakomiec and singer Kasia Zielińska on a rooftop in Warsaw, Poland, terra-cotta artist Dino Daddiego in the old town of Sassi di Matera, Italy, as well as both artists of the song, Robin Schulz and Jasmine Thompson in London, England.

The video was released on 1 October 2014 on Robin Schulz’s YouTube channel[2] and has received more than 750 million views as of September 2022.