Unusual Incident ( 1999, Arjen Flipsen from the Nethterlands) Unusual Incident is a side project from Ancronix. Arjen Flipsen is a musician based in the Netherlands. His music was strongly affected by Funk and Soul. In 1999 Arjen Filpsen started as Unusual Incident. The Unusual Incident is a collective that contains solo work an some cooperations with other musicians.