Audiation Assistant Downloads   Audiation Assistant for Mac OSX Size: 3.1 MB Replaces the Mac Classic (System 9) version that came with your Audiation Assistant CD. Audiation Assistant Demo (Mac) Size: 3.1 MB Includes all features of the full version, but with limited tonal and rhythm patterns. Audiation Assistant Demo (Win) Size: 2.4 MB Includes all features of the full version, but with limited tonal and rhythm patterns.