POLY Object - not evaluating in notation

[hjemadden]

How do I convert the above mess into musical notation?

[haddad]

… by following the instructions in this thread:

No clef, no note

Hello, I’m a total beginner with OM and I have a big problem at the very beginning. When I open the Note category under Classes, I have no note and no clef therein. How can I define the pitch and the clef?