In what year was the album “Yearbook: March” released by Sleeping At Last?

In what year was the album “Yearbook: March” released by Sleeping At Last?: The album “Yearbook: March” was released in 2011 by Sleeping At Last, featuring 2 tracks.
What is the most successful song from the album “Yearbook: March” by Sleeping At Last?: “Birthright” is the biggest hit from the album “Yearbook: March” by Sleeping At Last.

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