Hi guys, Welcome to the Advanced Video Search Engine, and you are watching Study Aid 1.0 Theta/Alpha - Brain Entrainment With Isochronic Tones (1 Hr Duration). That video is uploaded by The Brainwave Hub - Sleep, Focus, Mindfulness at 2011-10-05T15:20:24-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [qLjMyORJxgY]