Jihadist hymns being used to recruit
Jihadist hymns (or Anasheed in Arabic) have become an integral part of jihadist culture and media, and they are used as a recruitment tool by extremist organisations.
Our correspondent Murad Batal Shishani was given rare access to a live performance in Jordan.
The BBC has been tracking the number of people killed around the world during the month of November as a direct result of jihadist violence.