The song was originally titled "Who" and released by music producers Tujamo and Plastik Funk in 2012.

A re-release featuring British rapper Sneakbo was renamed "Dr.

It became a hit at Winter Music Conference[2] and was played by artists such as Avicii.

[3] Other people who played the record included David Guetta, Skrillex, Alvin Risk, Dog Blood, Major Lazer and Chuckie.

[2] These vocals namecheck Doctor Who, though do not directly pertain to the series.