Step sequencer in Max with probability based decisions for each instrument.
By Iannis Ionnides http://www.yiannisioannides.com
Download drum machine app: http://www.mediafire.com/download/zkks7kqk9n9psyn/Probability+Audio+Drum+Machine.zip
The Max patch is not available. Here is a link to a patch that shows how the probability engine probably works: https://reactivemusic.net/?p=18909