How to Create This Bar?

[Vadian]

There is a solution in a related thread

DS with cautionary key signature (again?)

I use the following procedure. In the score, in Write mode: 1 Click on the final barline in the flow. 2 This step is important. If it is not done, the score will look OK but the parts will have a rest showing at the end of the flow. Enter a time signature as a pickup bar (eg 2/4,1). A 2/4 bar with a 1-beat rest will appear. 3 Select either the time signature or the 1-beat rest and enter a key signature. The selected barline should now have changed to a double barline with a key signatu…