It’s hardly surprising that, in a culture of written music such as the western classical tradition, the look of the music has become more complicated throughout its centuries-old develpment. If you’ve not had the opportunity to see some more out there scores, there is a great collection on the YouTube channel of the enigmatically named ch252525.
Here is an example (click the link above for more):[kml_flashembed movie="http://www.youtube.com/v/XpCfdRVXG1E?rel=0" width="425" height="350" wmode="transparent" /]
p.s. the Google Ad on screen is not part of the score 🙂