Editing Musical notation (section)

===13th-century Near East===
In 1252, [[Safi al-Din al-Urmawi]] developed a form of musical notation, where [[rhythm]]s were represented by [[Geometry|geometric]] representation. Many subsequent scholars of rhythm have sought to develop graphical geometrical notations. For example, a similar geometric system was published in 1987 by Kjell Gustafson, whose method represents a rhythm as a two-dimensional graph.{{sfnp|Toussaint|2004|loc=3}} Rhythmic notation during its early stages developed Eastern musical traditions while simultaneously establishing concepts that Western music used to build its notation systems later on.<ref>{{Cite book |last=Hoppin |first=Richard H. |title=Medieval music |date=1978 |publisher=W. W. Norton |isbn=978-0-393-09090-1 |edition=1st |series=The Norton introduction to music history |location=New York}}</ref>