Listen to In a Mellow Tone online. In a Mellow Tone is an English language song and is sung by Romantic Piano Music Masters and Background Music Masters. In a Mellow Tone, from the album Sensual Smooth Jazz – Wine Bar Jazz Music, Romantic Jazz, Broken Time of Jazz, was released in the year 2016. The duration of the song is 3:12. Download English songs online from JioSaavn.