 Many of the secular songs are quodlibets.One of his songs, "Ihr Christen allgleiche", was written on the occasion of the Siege of Vienna in 1529 by the Ottoman Turks.His sacred music on Latin texts is similar in style to the music of Josquin and his generation; Brock avoided the dense, pervasive imitation and full textures of contemporary Franco-Flemish composers such as Nicolas Gombert.