Listen to 741 Hz Solfeggio Frequency Tones online. 741 Hz Solfeggio Frequency Tones is an Unknown language song and is sung by Solfeggio Frequencies. 741 Hz Solfeggio Frequency Tones, from the album 741 Hz Internal Conflict Resolution, was released in the year 2021. The duration of the song is 3:14. Download Unknown songs online from JioSaavn.