Listen to A Sigh of Serenity online. A Sigh of Serenity is an Instrumental language song and is sung by Blue Moon Swing. A Sigh of Serenity, from the album Chill & Night Slow Swing:極上リラクゼーション - Chilly Night, was released in the year 2023. The duration of the song is 1:19. Download Instrumental songs online from JioSaavn.