R.K.M & Ken-Y, the Puerto Rican reggaeton duo formed in 2003 by José Nieves (R.K.M) and Kenny Vázquez (Ken-Y), are celebrated for blending mainstream pop with reggaeton rhythms, influencing artists like CNCO and J Balvin. Their debut album, "Masterpiece," released in 2006, featured the hit single "Down," which topped the Billboard Hot Latin Songs chart and earned them the Best Reggaeton Song award at the Billboard Latin Music Awards. After a hiatus in 2013, they reunited in 2017, continuing to captivate audiences with their unique sound. ([en.wikipedia.org](https://en.wikipedia.org/wiki/R.K.M_%26_Ken-Y?utm_source=openai))