What are Binaural Beats? Tones produced specifically for the purpose of altering your brainwave frequencies. The posts in the link also contains an exclusive free binaural beats sample of a pure alpha wave.
Binaural beats are not heard, but perceived as an auditory beat when two tones of specific sound wave frequencies are directed to the right and the left ear, respectively. We will try to find out whether binaural beats can induce lucid dreaming or not.