Listen to Nighttime Nectar: Rain for Sweet Slumber (Instrumental) online. Nighttime Nectar: Rain for Sweet Slumber (Instrumental) is an Instrumental language song and is sung by HarmonicLab Music. Nighttime Nectar: Rain for Sweet Slumber (Instrumental), from the album Rainfall Dreams: Nature's Soothing Sounds for Sleep, was released in the year 2024. The duration of the song is 1:13. Download Instrumental songs online from JioSaavn.