Listen to Thunderstorm Tranquility: Calming Rain Sounds for Sleep and Relaxation online. Thunderstorm Tranquility: Calming Rain Sounds for Sleep and Relaxation is an Instrumental language song and is sung by Francisco Sonidos. Thunderstorm Tranquility: Calming Rain Sounds for Sleep and Relaxation, from the album Thunderstorm in the Forest: Heavy Rainfall and Distant Thunder for Meditation, was released in the year 2024. The duration of the song is 2:04. Download Instrumental songs online from JioSaavn.