Listen to Serendipity of Slumber online. Serendipity of Slumber is an Unknown language song and is sung by Dog Relaxation, Ocean Sounds FX and The Nature Soundscapes. Serendipity of Slumber, from the album Deep Sleep Music Collection: Dreamscapes of Tranquility, was released in the year 2024. The duration of the song is 2:00. Download Unknown songs online from JioSaavn.