Listen to Calmthunder: Soft Rain Sounds for Stress Relief online. Calmthunder: Soft Rain Sounds for Stress Relief is an Instrumental language song and is sung by Celia Callahan. Calmthunder: Soft Rain Sounds for Stress Relief, from the album Whispering Waverley - Soothing Rain Sounds for Relaxation and Calm, was released in the year 2024. The duration of the song is 2:04. Download Instrumental songs online from JioSaavn.