Dive into a crisp, gamma-brainwave audio ride that flicks on focus like a switchblade in a library—quiet, precise

https://www.reddit.com/r/ReviewJunkies/comments/1rhwfjw/the_brain_song_review_i_was_skeptical_about/

Dive into a crisp, gamma-brainwave audio ride that flicks on focus like a switchblade in a library—quiet, precise, and somehow exactly where you need it, every time you press play.