"Silhouettes" is a song by Swedish house producer and DJ Avicii featuring vocals from Swedish singer Salem Al Fakir. The track was first released on 27 April 2012 in the United Kingdom. It had previously been leaked on the internet in early 2011, albeit with a different song pitch. Some music blogs erroneously posted "Flash" by Tatana and Scaloni.

For the week ending 11 May 2012, "Silhouettes" debuted at number fifty on the Irish Singles Chart. The track marked Avicii's fourth appearance on the chart, following "Seek Bromance", "Collide" and "Levels" - which peaked at number forty-nine and number three respectively.

A music video was released on YouTube on 7 June 2012. The music video shows a person before and after undergoing sex reassignment surgery. An alternate version just featuring Avicii performing at various venues in the United States has also been produced.

^*sales figures based on certification alone
^{^}shipments figures based on certification alone

...
Wikipedia