The songs which were written and composed by Kayahan and sung by Nilüfer are some of most well-known Turkish pop songs.
In Turkey, many artists have interpreted his songs with Turkish lyrics including Ajda Pekkan, Başar Tamer, Berkant, Engin Evin, Ferdi Özbeğen, Gökben, Gönül Yazar, Hümeyra, İhsan Kayral, Juanito, Kamuran Akkor, Mavi Çocuklar, Nilüfer, Ömür Göksel, Selçuk Ural, Semiramis Pekkan, Seyyal Taner, Sezer Güvenirgil, Sibel Egemen, Tanju Okan, Yeliz
He included pop and rock music to his repertory, singing such titles as "Olmadı Yar" of Nilüfer, "Paramparça" of Teoman and "İkimizin Yerine" of Tarkan.