Escucha música y podcasts GRATIS en Amazon Music. Sin necesidad de suscripción.Escucha gratis 1Alpha Brain Waves 12 Hz Improved Focus Creativity Learning Sine 220 Hz
2Beta Brain Waves 25 Hz Motivation
3Binaural Beats Gamma Brain Waves
4Delta Brain Waves 4 Hz Sleep
56Theta Brain Wave 5 Hz Binaural Beats Rem Sleep
7Theta Brain Wave 6 Hz Sleep
8Beta Brain Waves 18 Hz Motivation Concentration
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