Cycle and switch sound presets (e.g. Drumracks) in Ableton Live

Ever thought about how to change and cycle through sound presets/drumracks in Ableton Live with one stroke/hit on a pad? The ‘secret’ is grouping drumracks to an instrument rack and make use of Ableton chain and chain selector concept - Here is a tutorial on how to do this - http://abletonkurse.usefedora.com/courses/sensorypercussionableton/lectures/2373001