(RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
assert(region);
region->set_position (_trackview.session().transport_frame(), this);
(RegionFactory::create (sources, start, 1 , "", 0, (Region::Flag)(Region::DefaultFlags | Region::DoNotSaveState), false)));
assert(region);
region->set_position (_trackview.session().transport_frame(), this);