DescriptionWilliam of Volpiano's alphabetic notation.jpg
English: The letters used by William of Volpiano, referred to the Boethian diagramme (used in some chant manuscripts in Normandy and Burgundy). They were used during his reforms of certain abbeys as an additional pitch notation together with adiastematic neumes.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.