Listen to I'm Not the Only One (Piano Chill) online. I'm Not the Only One (Piano Chill) is an English language song and is sung by Mazzder. I'm Not the Only One (Piano Chill), from the album Romantic Love Songs: Música Romântica, Músicas de Amor, Baladas Pop e Eletrônicas Internacionais Românticas, was released in the year 2015. The duration of the song is 5:25. Download English songs online from JioSaavn.