By Simon Vozick-Levinson
Updated November 13, 2009 at 05:00 AM EST

Someone, somewhere, thought it might be a good idea for Katy Perry to reinterpret her dance-pop hits in a style that splits the difference between coffeehouse singer-songwriter and affected lounge crooner. It wasn’t. The stripped-down treatment of MTV Unplugged does Perry’s yowling voice no favors on this CD/DVD package, and these songs just aren’t solid enough to stand on their own without loads of glossy production. Please, Katy, plug yourself back in. D

Download This: Listen to the song Hackensack at

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