Listen to Serenity in Keys online. Serenity in Keys is an Instrumental language song and is sung by Relax Piano Chillout, Diner Piano Company and Total Piano Relaxation. Serenity in Keys, from the album Piano Serenity: Melodies for Relaxation, was released in the year 2024. The duration of the song is 2:41. Download Instrumental songs online from JioSaavn.