In what year was the album “Rage Valley” released by Knife Party?

In what year was the album “Rage Valley” released by Knife Party?: The album “Rage Valley” was released in 2012 by Knife Party, featuring 4 tracks.
What is the most successful song from the album “Rage Valley” by Knife Party?: “Sleaze” is the biggest hit from the album “Rage Valley” by Knife Party.

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