Listen to Frogs (Deep Relaxation) online. Frogs (Deep Relaxation) is an Unknown language song and is sung by Brainwaves Mike. Frogs (Deep Relaxation), from the album Concentration Music Exam Study – Instrumental Background Music for Studying, New Age as Brain Food for Mind Power, was released in the year 2015. The duration of the song is 6:02. Download Unknown songs online from JioSaavn.