In what year was the album “IV” released by Hjálmar?

In what year was the album “IV” released by Hjálmar?: The album “IV” was released in 2009 by Hjálmar, featuring 8 tracks.
What is the most successful song from the album “IV” by Hjálmar?: “Manstu” is the biggest hit from the album “IV” by Hjálmar.

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