I am using Real band 2013, and softsynths are mainly Halion4 and Dimension 1.5 and Garriton Jazz Band. I have tried it with MME but it still crashes when I have to stop the song in the middle. This happens ONLY when I am working on the song and have to start and stop the song to adjust sounds etc. When playing the song right through A to Z it very rarely crashes. This is good but it is frustrating and requires a lot of patience setting up the song. A friend said to me that it might be a windows8 problem.
Quite often I set the song in BB and it works fine and then pull it into Real Band and then the problems start.