I don't often use Biab more often RealBand, but this is a Biab issue. I have chosen a style, input some chords, nothing fancy, just letting Biab generate the rest, actually it was for trying out the new biab version :-)

My PC is a HP pavilion running win7
and with an Intel i7 core, 8 GB ram,
my earlier Biab version was 2011 and I've never heard this phenomenon before!


Strat!