Listen to Solfeggio Sleep Frequencies 528 Hz online. Solfeggio Sleep Frequencies 528 Hz is an Instrumental language song and is sung by Alpha Brain Waves, Binaural Beats Sleeping Music and Binaural Beats Deep Sleep. Solfeggio Sleep Frequencies 528 Hz, from the album Brain Waves Sleep: Binaural Beats Sleeping Frequencies for Deep Sleep, Calm Solfeggio Sleeping, was released in the year 2025. The duration of the song is 2:25. Download Instrumental songs online from JioSaavn.