Listen to It's a Sin online. It's a Sin is an English language song and is sung by Betty Bitter. It's a Sin, from the album 80s 90s Music Dance Songs: Las Mejores Canciones, Éxitos Disco Y Música De Los 90 Y 80 Para Bailar, was released in the year 2014. The duration of the song is 4:20. Download English songs online from JioSaavn.