Primer has been played on NTS in shows including Circadian Rhythms, featured first on 11 April 2019. Songs played include Untitled.

Primer is an alias of Dutch trance DJ's and Producers Danjo Raijer & Robbert Vroegindeweij (better known as Danjo & Styles). They released a number of singles under this name between 2003 and 2005, including the successful "Morgana", "The Silver Lining" and "Everlast".

Primer is also the name of a young Dutch rockband. ‘Freak’ Out Now! Primer presents to you their debut album ‘ Freak’ . Killer guitarriffs, pounding grooves and melodic basslines are combined to make you experience the sound of their excellent powerrock…