bluepapersm.jpgAnother simple but effective Beltist device, particularly if you have numerous plants. Place a plain piece of blue paper under a pot of green plants or flowers. As with all techniques listed here, to better discern the effect, listen first to music without the paper. Then a few minutes with. Then remove the paper again. What you may come to perceive is that the sound has become worse than when you started. I talk about this phenomenon in the section “How To Listen”.