D-Block & S-te-Fan has been played on NTS in shows including Bubble Gum Violence, featured first on 1 November 2025. Songs played include Promises (Bootleg).

D-Block & S-te-Fan, born Diederik Bakker and Stefan den Daas respectively, are a hardstyle duo from The Netherlands who started producing in 2004.

Diederik and Stefan found eachother at the end of 2004 in The Hague, The Netherlands. Before becoming a duo, they both experienced moderate success as solo artists, but their coming-together gave them the most success with tracks such as 'Built This City' and 'Alive'.

After they started to work as a team, things went fast. All of their releases got huge feedback, and were played by all the major jocks, resulting in several bookings for Qlimax, DefQon.1, Mysteryland, Decibel, Thrillogy, Reverze, Q-Base.

Between 2006 and 2013 Diederik and Stefan hosted the "Next Chapter", a hardstyle label with some of the most popular releases, like: Keep it coming, Lockdown, Natte asbak and Guilty. Nowadays they are the owners of the “Scantraxx Evolutionz”, a sublabel from Dj The Prophet's label “Scantraxx”.

The have other aliases and production projects, such as the live performance act Ghost Stories with D-Block's sister, Evelyn Bakker, the house alias DBSTF, and DS Conspiracy.