Z-Factor has been played over 10 times on NTS, first on 2 September 2012. Z-Factor's music has been featured on 12 episodes.

Z Factor, a.k.a. Dave Lee, is the UK’s most successful and longstanding soulful house DJ and Producer. A founding father of the UK house scene and relentless compiler of the coolest compilations, he is famed for his huge knowledge and expertise in Disco, Soul, Funk and early House. The most commercially successful house producer in the UK, he has had countless international hits and travels the World bringing his award- winning eclectic style and productions to new audiences.