There is a standard notation for tremolo. How does one get noteworthy to write it?
Use Mike Shawaluk's Tremolo user objects.
There are two.
For a single note tremolo see:
https://forum.noteworthycomposer.com/?topic=9085.0 (https://forum.noteworthycomposer.com/?topic=9085.0)
For a two note tremolo see :
https://forum.noteworthycomposer.com/?topic=9084.0 (https://forum.noteworthycomposer.com/?topic=9084.0)