The prophet Moses prepared a song that included history and heartfelt admonition for the people. No doubt such songs were good memory aids.
(‏ تثنية ٣٢ :‏ ​ ١ -‏ ٤٣‏ )‏ ولا شك ان ترانيم كهذه كانت عونا فعّالا للذاكرة .‏