From [the website](http://www.brainsync.com/):

> BRAIN SYNC meditation CDs and guided imagery techniques are proven to
> significantly improve mental performance. In two decades, nearly 3
> million Brain Sync users have experienced the powerful benefits of
> deep meditation to accelerate healing, learning, recovery and personal
> growth. Brain Sync brainwave technology blends advanced meditation
> techniques with harmonically layered binaural beat frequencies.

**Is there scientific support for Brain Sync music in improving cognitive functioning?**