"All Falls Down" is a song by British-Norwegian record producer and DJ Alan Walker, featuring British DJ and producer Digital Farm Animals, American singer Noah Cyrus, and Swedish singer Juliander. It was composed by Digital Farm Animals, Pablo Bowman, Sarah Blanchard and its producers Walker, Mood Melodies, Digital Farm Animals and The Six, with lyrics written by The Six, Bowman, Blanchard and Daniel Boyle. The song was released on 27 October 2017 via Mer Musikk and Ultra Music to mixed reviews from critics, who praised Cyrus's vocals but deemed the song inferior to Walker's previous songs.

Alan Olav Walker is a Norwegian DJ and music producer. At the age of 16, Walker released "Fade" on NoCopyrightSounds, which led to a contract with MER Musikk. He rose to fame with his 2015 single "Faded". The song was a worldwide commercial success upon its release, reaching number one on the singles charts in Norway, Finland, and Sweden, and in the top three on the Danish singles chart. The song peaked at number one in over 10 of his countries and entered the top five in over 25 countries. Walker's debut album, Different World (2018), features artists such as Steve Aoki, Noah Cyrus, and Digital Farm Animals, and includes "famous releases'' such as "Faded" and "new songs" such as "Lost Control".