Listen to Brainwave Entrainment with Calm Rain online. Brainwave Entrainment with Calm Rain is an Instrumental language song and is sung by The Entrainment. Brainwave Entrainment with Calm Rain, from the album Sleep Music: Binaural Beats, Isochronic Tones, Alpha Waves, Ambient Music and Rain Sounds for Deep Sleep, Brainwave Entrainment and Calm Sleeping Music, was released in the year 2020. The duration of the song is 2:48. Download Instrumental songs online from JioSaavn.