I always love those brainwave technologies. You just have to passively listen to them, and the benefits will come to you. Great for lazy people like me. With the help of neuro-science, iMusic is a series of brain enhancement recording. Figure below from the official site shows the product line and the areas of focus in each audio. Click photo to enlarge.

Boost you IQ simply by listening. Sound cool, isn't it? Oh, don't bother me about the scientific principles. Just enjoy.