1:00:04
'Vitality & Activity' Beta Binaural Beat - 16Hz (1h Pure)
Samuel Schüpbach
'Intense Alertness' Beta Binaural Beat - 20Hz (1h Pure)
'Focused Thoughts' Beta Binaural Beat - 25Hz (1h Pure)
'Problem Solving' Beta Binaural Beat - 30Hz (1h Pure)