Wie is Di-rect?

The search for the new band member of Di-rect.
After Tim Akkerman left the band the empty spot in the band has to be filled.
The series starts with an episode in which an brief history of the band is shown of the past 10 years.
In the next 4 episodes applicants are taken on the road with the band to perform. In the last 4 episode it's decided who will fill the vacancy.