Listen to Focus Productivity Binaural Beats | Improve Efficiency online. Focus Productivity Binaural Beats | Improve Efficiency is an Instrumental language song and is sung by Hypnosex. Focus Productivity Binaural Beats | Improve Efficiency, from the album HypnoSex Binaural Pack Vol. 8, was released in the year 2024. The duration of the song is 6:18. Download Instrumental songs online from JioSaavn.