**mp3 file is the compressed audio which is lower quality than the wav file
Low Delta Wave Binaural Beats (Binaural Tracks Series, Vol. I) For falling asleep, easing into a trance, or allowing your body to rejuvenate. This piece contains low delta wave binaural beats, which decrease our awareness of the physical world. Interestingly, delta waves are the most present during the deepest stages of sleep.