Belarus is an Eastern European country with a rich tradition of folk and religious music. The country's folk music traditions can be traced back to the times of the Grand Duchy of Lithuania. Documentation of its music stretches back to at least the 15th century. Prior to that, skomorokhs were the major profession for musicians. A neumatic chant, called znamenny, from the word 'znamia', meaning sign or neume, used until 16th century in Orthodox church music, followed by two hundreds of stylistic innovation that drew on the Renaissance and Protestant Reformation.