Become a member of Weathervane Music. Free members can download files from the newest episode, Monthly Members can access the 4 newest, as well as 4 from out back catalogue, and Annual members get access to everything in the archive.
Explore episodes and find one you like. Navigate to the multi-tracks section and download the zip file with the session audio. Open your DAW of choice, import the audio files, and start mixing.
Try to match or best the original or mix things up to your heart's desire. What ever you want! When you’re done, upload it to SoundCloud and share the link in the Comments section of the Episode Page.