The chang is a Persian musical instrument, a vertical angular harp. It was very popular and used widely during the times of ancient Persia, especially during the Sasanian Dynasty where it was often played in the shahs' court. It was also played until the 19th century in the Ottoman Empire but has since disappeared from Turkish folk music.

The çeng is a Turkish harp. It was a popular Ottoman instrument until the last quarter of the 17th century.