Listen to 40 Hz Focus Frequencies for Deep Concentration and Clarity online. 40 Hz Focus Frequencies for Deep Concentration and Clarity is an Unknown language song and is sung by Deep Focus and Concentration, Deep Focus Orchestra and Mind Mining. 40 Hz Focus Frequencies for Deep Concentration and Clarity, from the album 40 Hz Alpha Waves for Deep Focus, Academic Success, Productivity, and Mental Clarity, was released in the year 2024. The duration of the song is 3:14. Download Unknown songs online from JioSaavn.