What rock band does the writer of The Cockroaches play in?
The Cockroaches (novel): Cockroaches (Norwegian: "Kakerlakkene" , 1998) is a crime novel by Norwegian writer Jo Nesbø, the second in the Harry Hole series. Jo Nesbø:  Nesbø is primarily known for his crime novels about Inspector Harry Hole, but he is also the main vocalist and songwriter for the Norwegian rock band Di Derre.
Di Derre