Question: What is the nationality of producer of the compilation album DJ Set 1 ?
Sentence (from "Plan B (duo)"): At an early age they had an attraction to Reggaeton music; all their efforts finally began to pay off when they met the famous music producer, DJ Blass, who gave them two the opportunity to participate in a Reggaeton compilation album called "@ria 51: Aliados Al Escuadron" and released their first recording "Voy Subiendo" in 1999.
Relevant evidence: No