If the river is switched on and off too fast, this shortcut helps :-)

[reno@phonogen.com]

Here's the shortcut to bring the river back to life: Press down S (Modwhell area) and turn on the Synth. This helped me a lot :-)

[infuze]

This a late reply to your very old post, but I just wanted to thank you for putting it here, because it just completely saved me from infinite frustration! haha