Listen to Sweet Sleep On A Boat Swinging Softly (Rain Sound) online. Sweet Sleep On A Boat Swinging Softly (Rain Sound) is an Instrumental language song and is sung by Relaxing Mode. Sweet Sleep On A Boat Swinging Softly (Rain Sound), from the album Best Sweet Sleep Music Collection Of Gentle Piano Lullabies 11, was released in the year 2025. The duration of the song is 2:39. Download Instrumental songs online from JioSaavn.