How do I get this to be an 1/8 tied to a dotted half.
Try using Force Duration for the dotted half.
With these options it’s what I get:
(But maybe they won’t suit you for other sections?)
If you need to do this regularly: use the appropriate settings (others can probably explain this better than I can > for example: charles_piano, who was faster
).
If you only need to do this once (or rarely): use ‘Force Duration’ and enter the value exactly as shown.