
A music video for the song was uploaded on 17 August 2015 to the group's Vevo channel on YouTube.

In 2020 it was voted as the best song of the 21st century by the listeners of the Dutch radio station NPO 3FM. "Let It Happen" appeared on many critics' year-end lists of the best songs of 2015. In the United States, the song charted at number 28 on Billboard 's Adult Alternative Songs chart. It peaked at number 29 on the Belgian Flanders singles chart, number 84 on the ARIA Singles Chart and number 152 on the French Singles Chart. The song received acclaim from music critics. It also has vocoded-like vocals in the second half, which were actually manipulated with a keyboard sampler. The song runs at nearly eight minutes long, and its second half contains a section of the song repeating akin to a scratched Compact Disc, and stripped-down lyrics consisting of gibberish. The song centers on accepting personal transition, and was worked on in various locations around the world. It was released as the lead single from their third studio album, Currents (2015), on 10 March 2015. " Let It Happen" is a song by the Australian rock musician Tame Impala. Kevin Parker's home studio ( Fremantle, Western Australia) 2015 single by Tame Impala "Let It Happen"
