Product DescriptionPsychoacoustic science comes to the rescue of sleepless nights with an extraordinary CD of research-based sound and music designed specifically to soothe your restless infant. Sound researcher Joshua Leeds presents four classical compositions from Chopin, Schumann, Beethoven, and Brahms, rearranged using clinically-proven techniques to enhance the deeply calming effect of each piece. These gentle themes and variations are infused with womb sounds recorded by Fred Schwartz, MD shown to relax babies and enhance their neural development.