Ambient for focus. Alpha Waves, Binaural Beats for Memory, Concentration and Relaxation 

Ambient with Alpha waves and Binaural beats is great for studying, soothe a busy mind, allow you to concentrate.
The learning process will take place without difficulty and distracting thoughts.
Binaural beats in music give an extra bonus compared to other music. Improve memory and other cognitive abilities, including focus, concentration, attention, test results, academic life, etc.