Listen to Relax online. Relax is an Instrumental language song and is sung by Relajante Musica. Relax, from the album Musica Relajante: Piano para Relajarse, Descansar, Estudiar, Dormir, Bienestar., was released in the year 2016. The duration of the song is 1:22. Download Instrumental songs online from JioSaavn.