In what year was the album “Primary and the Messengers LP” released by 프라이머리?

In what year was the album “Primary and the Messengers LP” released by 프라이머리?: The album “Primary and the Messengers LP” was released in 2012 by 프라이머리, featuring 19 tracks.
What is the most successful song from the album “Primary and the Messengers LP” by 프라이머리?: “씨스루 Seethru” is the biggest hit from the album “Primary and the Messengers LP” by 프라이머리.

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