2021 Miracle Tones, Binaural Beats MT - Binaural Beats - Concentration (Beta Waves) [24-44.1]

1. 13 Hz Concentration (Binaural Beats)  02:35 2. 14 Hz Focused Attention (Binaural Beats)  02:00 3. 18 Hz Cognitive Thinking (Binaural Beats)  02:02 4. 20 Hz Problem Solving (Binaural Beats)  02:43 5. 30 Hz Beta Waves (Binaural Beats)  02:07