I have yet to find a good solution for the flam/diddle playback other than using a hidden layer for playback and entering the flam and writing out the diddle rather than using the slash. My guess is that it has to do with the midi components.
With regards to switching the marimbas to a grand staff, the best solution would be to add new instruments through the Score Manager. you will need to reassign the playback device to Kontakt and load the VDL marimba instrument. This may also require checking the midi settings.
With regards to switching the marimbas to a grand staff, the best solution would be to add new instruments through the Score Manager. you will need to reassign the playback device to Kontakt and load the VDL marimba instrument. This may also require checking the midi settings.