Listen to Tropical Rainforest Sound, Gentle Rainfall online. Tropical Rainforest Sound, Gentle Rainfall is an Unknown language song and is sung by Sleepy Baby Princess Music Academy. Tropical Rainforest Sound, Gentle Rainfall, from the album Music to Calm Toddler, Relax and Take a Deep Breath - Baby Music Calming Nature Sounds for Newborn Sleep, Baby Sleep, was released in the year 2015. The duration of the song is 4:31. Download Unknown songs online from JioSaavn.