Listen to Gentle Rainfall Slumber: a Serene Soundscape for Peaceful Sleep online. Gentle Rainfall Slumber: a Serene Soundscape for Peaceful Sleep is an Instrumental language song and is sung by Celia Callahan. Gentle Rainfall Slumber: a Serene Soundscape for Peaceful Sleep, from the album Oothing Soundscape - Calming Music for Relaxation and Sleep: ASMR Nature Rain, was released in the year 2024. The duration of the song is 2:02. Download Instrumental songs online from JioSaavn.