Listen to Beta Waves online. Beta Waves is an Instrumental language song and is sung by Angels Of Relaxation. Beta Waves, from the album 432 Hz Sleep Music - 2020 New Relaxing Music, Delta Waves, Insomnia Relief, Binaural Beats, was released in the year 2020. The duration of the song is 4:44. Download Instrumental songs online from JioSaavn.