I'm assuming you're referring to a report about the best nasheeds (Islamic songs) by Dawlat al-Islam (also known as Islamic State or ISIS).
It quickly became the group's most popular track in Syria and was named the most influential song of 2014 by The New Republic . dawlat al islam qamat nasheed best
: The verses speak of "exposing disbelief" and "spilling the blood" of enemies to "reject disgrace" and support the religion. The Guardian notable nasheeds from this period? I'm assuming you're referring to a report about