I see that Lilypond has a markup for stemlets. Would one use Directives->Insert Lilypond to create the same markup in Denemo?
https://lilypond.org/doc/v2.25/Documentation/snippets/ rhythms_003a-stemlets[1] _____________________________________________ D o n a l d J S t e w a r t s o u n d - X -------- [1] https://lilypond.org/doc/v2.25/Documentation/snippets/ rhythms_003a-stemlets