Star Sound Technology Rhythm Rack. Tonight I explore one of the “functional” audiophile racks that people claim have a positive result on the overall sonic of the system. Let’s check it out shall we ? If you have been considering this rack or have just seen it first here and this video was what convinced you to buy , please give credit where it’s due. By telling Robert you are calling after seeing the video, you will get a discount or extra of some sort.