Picks and Pans Review: Single of the Week
updated 04/14/2008 AT 01:00 AM EDT
•originally published 04/14/2008 AT 01:00 AM EDT
The first single from Madonna's Hard Candy, due April 29, this meeting of two generations of pop titans is greeted with marching-band fanfare. With Timbaland in tow too, it's an event record.