"Be, and it is" (كن فيكون kun fa-yakūnu) is a phrase that occurs several times in the Qur'an. It refers to creation by Allah. In Arabic the imperative verb be (kun) is spelled with the letters kāf and nūn.
The soundtrack of Indian Hindi film Rockstar (2011) has a qawwali by the title "Kun Faya Kun", composed by A. R. Rahman and picturised at the mausoleum of 13th-century Sufi saint, Nizamuddin Auliya in Delhi.