"Fade into Darkness" is a song by Swedish house producer and DJ Avicii. It features uncredited vocals from Andreas Moe. The single was released on 22 July 2011. The song incorporates elements from "Perpetuum Mobile" by Penguin Cafe Orchestra, as written by Simon Jeffes. Prior to its commercial release, the song was referred to as "Penguin", which was solely an instrumental track, unlike the following lyrical version.

Tim Bergling, known professionally as Avicii, was a Swedish DJ and music producer. At age 16, he began posting his remixes on electronic music forums, which led to his first record deal. He rose to prominence in 2011 with his single "Levels". His debut studio album, True (2013), blended electronic music with elements of multiple genres and received generally positive reviews. It peaked in the top 10 in more than 15 countries and topped international charts; the lead single, "Wake Me Up", topped most music markets in Europe and reached number four in the United States.