Listen to Solfeggio Frequency (69.3Hz) Absorbing Frequencies Serene online. Solfeggio Frequency (69.3Hz) Absorbing Frequencies Serene is an Instrumental language song and is sung by Inner Sanctum. Solfeggio Frequency (69.3Hz) Absorbing Frequencies Serene, from the album Solfeggio Frequencies In the quiet of the night, was released in the year 2024. The duration of the song is 1:00:00. Download Instrumental songs online from JioSaavn.