An interesting video where Robert Henke of Ableton/Monolake explains
an interesting setup of return tracks in order to produce a rain/thunder
sound.
http://www.ableton.com/index.php?main=a ... b=monolake
direct link to video:
http://www.ableton.com/_common/download ... s-rain.mov
or
http://www.ableton.com/_common/download ... s-rain.wmv