Listen to Relax Zen online. Relax Zen is an English language song and is sung by Chillout Lounge Piano, Relaxing Piano Club and Babybedtime. Relax Zen, from the album Sleep: Relaxing Music for Sleeping, Relaxation, Bedtime, Yoga, Massage, was released in the year 2016. The duration of the song is 3:14. Download English songs online from JioSaavn.