Sammy The Greatest —Samuel Dilone Castillo, formerly known as DJ Sammy, born on 11 March 1991— is a Dominican music producer and DJ who works in urban music.

Producer for Secreto and El Mayor Clásico

A 2022 profile in Listín Diario called him the driving force behind songs by several popular performers, above all Secreto “El Famoso Biberón” and El Mayor Clásico. The paper described his partnership with Secreto as a powerful pairing in Dominican urban music, and named «Secreto ponte el chaleco», «La para de tu coro», «El cuerpo del deseo» and «No la maltrates» among the songs they made together.

Recognition among producers

In August 2022 Listín Diario included him among five producers who put their stamp on Dominican urban music, together with Nipo 809, Chael Produciendo, Nico Clínico and Leo RD.

«Planeta Alofoke»

In April 2026 he was announced as the first participant of «Planeta Alofoke», the reality show produced by Santiago Matías, and Listín Diario listed him among its participants on 15 April.

Legacy

His work is documented mainly through the credits on the songs he produced and through the press coverage of his partnerships in Dominican urban music.