Masterpiece is the debut album of reggaeton duo, R.K.M & Ken-Y. The album includes four singles: "Down", "Me Matas", "Dame Lo Que Quiero" & "Igual Que Ayer". The album did fairly well on the charts, peaking #2 on the Top Latin Albums chart and #1 on the Top Heatseekers charts. It is considered to be one of the top reggaeton albums and made the duo one of the most successful and popular new artists of 2006. As of 2007, the album has sold over 100,000 copies.