Details of the gig were first reported by Norwegian newspaper Verdens Gang, and later translated by other media outlets.
Breivik, a 33-year-old right-wing extremist, is currently on trial for bombing a government building in Oslo and going on a shooting rampage at a youth camp last summer. The massacre claimed 77 lives.
The director of the prison where Breivik could be housed said steps are being taken to keep him away from other inmates.
“Many of the measures surrounding Breivik are being created to avoid a hostage-taking, which would be the only way for him to get through all the different layers of security that have been established between him and freedom,” Knut Bjarkeid told the paper. . .