“Idioms” is a light artwork by Hartung and Trenz presented at GLOW Eindhoven 2016 in Eindhoven, Netherlands.
The Effenaar is probably the most famous venue for pop music and youth culture in the Netherlands. What once started as a meeting centre for socio-critical youngsters has evolved into a prestigious pop-stage.
Programme information from GLOW Eindhoven. Short excerpt quoted for reference; see the original page for full text, images and credits.