DJ OLTERMANN
Helsinki
DJ Oltermann, also known as Olli Koponen is a well known and beloved character in Helsinki club scene, cherished especially for his eclectic musical taste. Having started at the age of 18, h…
DJ Oltermann, also known as Olli Koponen is a well known and beloved character in Helsinki club scene, cherished especially for his eclectic musical taste. Having started at the age of 18, h…