Shaderwan Code is a Bosnian folk music supergroup formed in Zagreb, Croatia in 2006. The group is formed a friendly match between the rock band Zabranjeno Pušenje and the Zagreb Mosque Choir Arabeske. The group's name refers to a law book of shadirvan. The band's songs harbors folk tradition of the Western Balkans, Bosnian root music, Islamic poetics (ilahia) of the Bosnians and Bosnian Muslims, a concept of rock and roll as primarily progressive music open to various music influences, but also a classic jazz sound.