BK is the working name of the English hard house producer Ben Keen (born 16 October 1973, Woodford, London). 　　His "Revolution" single became one of the few hard house records to receive regular airplay on daytime BBC Radio 1, and between 1995 and 2005, he produced over one hundred 12” singles. He was the last artist to reach the UK Singles Chart with a vinyl only release ("Revolution"). He secured six hits in the UK chart, without reaching the Top 40. 　　BK started his career in production at the age of 16, when employed as a trainee engineer. He moved later to writing music for both film and television, having gained recording studio experience at Media Records. He progressed to recording his own music for Nukleuz Records, and performing worldwide as a club DJ.