Nickelback is back! What you can expect and when:Nickelback will be back at it this week.  The band will unveil their new single "Edge of Revolution" on today 8/18 and then make it available via digital retailers on Tuesday, 8/19. The full album will follow sometime this fall, and "Billboard" notes that the disc will be Nickelback's first since signing with Republic Records.  It's also the first since frontman Chad Kroeger married Avril Lavigne, and the group's first release in general since 2011's "Here and Now."

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