Photo: Kirsten ShultzCarole King is just one of many stars who will be featured on the Muscular Dystrophy Association's annual Labor Day weekend special this year.

The three-hour program, now called MDA Show of Strength, will air Sunday, September 2, at 8 p.m. ET from Hollywood, Nashville and New York.  Among the other musical celebrities confirmed to either appear or perform on the show are Paula Abdul, Black Eyed Peas frontman Will.i.am, Alanis Morissette, Gavin DeGraw, and country stars Tim McGraw and Carrie Underwood.  Check local listings to find out which station will air the special in your area.

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