In what year was the album “Primario” released by DLD?

In what year was the album “Primario” released by DLD?: The album “Primario” was released in 2012 by DLD, featuring 12 tracks.
What is the most successful song from the album “Primario” by DLD?: “Arsénico” is the biggest hit from the album “Primario” by DLD.

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