Ancient music refers to the musical cultures and practices that developed in the literate civilizations of the ancient world. Succeeding the music of prehistoric societies and lasting until the Post-classical era, major centers of Ancient music developed in China (the Shang, Zhou, Qin and Han dynasties), Egypt (the Old, Middle and New Kingdoms), Greece (the Archaic, Classical and Hellenistic periods), India (the Maurya, Shunga, Kanva, Kushan, Satavahana and Gupta dynasties), Iran/Persia (the Median, Achaemenid, Seleucid, Parthian and Sasanian Empires), the Maya civilization, Mesopotamia, and Rome (the Roman Republic and Empire). Though extremely diverse, the music of ancient civilizations is frequently characterized by monophony, improvisation and the dominance of text in musical settings. Overview Written musical notation was the first mark of a literate society. During the time of prehistoric music, people had a tendency to primarily convey their music and ideas through oral means. However, with the rise of social classes, many European and Asian societies regarded literacy as superior to illiteracy, which caused people to begin writing down their musical notations. This made music evolve from simply hearing music and transmitting it orally, to keeping records and personal interpretations of musical themes. Regions Egypt Music has been an integral part of Egyptian culture since antiquity. The ancient Egyptians credited the goddess Bat with the invention of music; she was later syncretized with another goddess, Hathor. Osiris used this music from Hathor to civilize the world. The earliest material and representational evidence of Egyptian musical instruments dates to the Predynastic period, but the evidence is more securely attested in tomb paintings from the Old Kingdom () when harps, end-blown flutes (held diagonally), and single and double pipes of the clarinet type (with single reeds) were played. Percussion instruments, and lutes were added to orchestras by the Middle Kingdom. Bronze cymbals dating from the Roman period (30 BCE–641 CE) have been found in a tomb on a site near Naucratis. Although experiments have been carried out with surviving Egyptian instruments (on the spacing of holes in flutes and reed pipes, and attempts to reconstruct the stringing of lyres, harps, and lutes), only the Tutankhamun trumpets and some percussion instruments yield any secure idea of how ancient Egyptian instruments sounded. None of the many theories that have been formulated have any adequate foundation. Mesopotamia In 1986, Anne Draffkorn Kilmer, professor of ancient history and Mediterranean archaeology at the University of California, Berkeley,