Listen to A Cup of Serenity online. A Cup of Serenity is an Instrumental language song and is sung by Milky Swing. A Cup of Serenity, from the album 今日のお気に入りカフェBGM - The Cafe at the End of the Universe, was released in the year 2022. The duration of the song is 2:15. Download Instrumental songs online from JioSaavn.