Learn how to route MIDI information out of the Rack, including how to route and use the player devices to control Ableton, how to record that MIDI sequence back into Ableton, and how to take MIDI sequences into Ableton from the drum sequencer inside of the Reason Rack.
Tutorial taken from: Using Reason as a Plug-In Explained
https://www.groove3.com/tutorials/using-reason-as-a-plug-in-explained