Binaural Beats help to synchronize the the brain to alter the state of your brainwaves. Below is a new series I've started to assist in this form of sound therapy. Bookmark this page if you are interested in future releases.
Delta: 0.5-4 Hz
Theta: 4-8 Hz
Alpha: 8-13 Hz
Beta: 13-30 Hz
*This chart is a reference and varies per person