Mac OS 13.7 Ventura, MuseScore Studio 4.6.6, Finale 26.3, 27, SmartScore 64 Pro | Copyist for the Barbershop Harmony Society | wawoodman at aol dot com
You can hear the note as you enter it. You can playback what you have entered. You cannot just click on an entered note, and hear it, as far as I know. I’m on Mac, so I can’t try Girard’s suggestio...
If memory serves me, you can just keep entering notes, and the program will add measures.
This worked for me. I attached the arpeggio articulation to layer 2. When I attached it to layer 1, it seemed (to my ear) to only be rolling the layer 1 notes.
Make a cup of tea?
It doesn't matter. If you want to upgrade the files to F26, just use File > Open, and resave them. They both use the musx format.
Are you also in 6/8, 9/8 or 12/8? Have you tried the method described above?
Are you using the measure numbers to determine where the change occurs? Do you have a pickup measure that may be moving things forward? I right click on the measure, and use the drop down to select...
Select the entire score. With the selection tool, right-click in a staff. From the drop-down menu, choose Clear Selected Items... In the next screen, first click None. Then click MIDI Data. OK.
Do other system sounds play? The Garritan instruments are a separate installation. Did you? Can you get playback thru MIDI?
Are you still using PrintMusc 1999? How are you entering notes and rests? Mouse? QWERTY keyboard? MIDI keyboard?