War mir bislang nicht bekannt – eine Form musikalischer Notation im 9. Jahrhundert.
Good morning! This is a quite particular type of medieval notation, used in the 9th century, called dasian or daseian notation! pic.twitter.com/mg2oTDArle
— Musical Notation is Beautiful (@NotationIsGreat) 14. April 2019
Sorry, friends, this is no plainchant. In fact, there are two voices notated. The upper voice (vox principalis) is the main voice, probably invented here for reason of teaching how to make a proper organum, and the lower voice (vox organalis)goes gradually into the interval of a fourth under the main voice, the fourth being the main interval for this kind of early organum. The treatise explains how to make this kind of organum according to all possibilities of modes/finales, especially how to avoid stepping into the tritonus between the two voices.
haha so ungebildet dieser channel lolz