Look into The Gateway Tapes.

The institution that made the tapes discovered the phenomenon of binaural beats, and there are declassified documents from a certain 3-letter entity detailing its possible uses. The bottom line is, binaural beats can have some therapeutic/spiritual benefits, under properly controlled conditions, but you're not going to learn a new language or quit smoking by using them.

So we'll march day and night

By the big cooling tower.

They have the plant,

But we have the power.

I heard that President Clinton will be watching with his wife, Hillary.