The Art Of Noise's 'Who Knew?' came out on August 7, 2006. The duration of Who Knew? is about two minutes long, specifically at 2:36. This song does not appear to have any foul language. Who Knew?'s duration is considered a little bit shorter than the average duration of a typical track. The song is number 16 out of 59 in And What Have You Done With My Body, God? by The Art Of Noise. The popularity of Who Knew? is currently not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Who Knew? テンポ

The tempo marking of Who Knew? by The Art Of Noise is Prestissimo (even faster than presto), since this song has a tempo of 203 テンポ. The time signature for this track is 3/4.

Who Knew? キー

This song has a musical key of E♭ Major. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.