Solfeggio & Brainwave Entrainment Music offers various sleep sounds to help binaural beats, solfeggio frequencies, and other music tracks to help you drift off to sleep. For those looking for more than just a good night's rest, meditation practice can be greatly improved with this type of music. It can help improve your concentration and focus by including binaural beats that create the same brainwaves and frequencies as those created by meditation.