How to Make a dirty electro bass synth line for an electro house song in Reason 4

Justice might not have produced any new material in a while, but their place in electronic music history is already secured due to their filthy electro-house beats that have become ubiquitous in the years since they first broke out. Watch this video to learn how to make a dirty electro bass synth line like theirs in Reason 4.

Check out the samples and a written tutorial here.