Input (grade 11): The earliest form of musical notation can be found in a cuneiform tablet that was created at Nippur, Iraq in about 2000 B.C..
Output (grade 6): The earliest kind of musical notation was written on tablets using a way of writing called cuneiform. Music from Nippur from about 2000 B.C. has been found which seems to give an approximate idea of how the music should be played.