Listen to 528 Hz Relax online. 528 Hz Relax is an Instrumental language song and is sung by Solfeggio Frequencies 528Hz and Solfeggio Frequencies Tones. 528 Hz Relax, from the album 528 Healing, was released in the year 2022. The duration of the song is 2:26. Download Instrumental songs online from JioSaavn.