Mary McCartney/MPL Communications Ltd."Nova," a classical composition Paul McCartney wrote as a tribute to his late first wife, Linda, will be performed live for the first time in North America on September 7 by the Pittsburgh Symphony Orchestra. 

The performance will be part of a benefit concert dubbed Heart Strings, which will be held at Pittsburgh's Heinz Hall and will raise money for the Rock for the Heart Foundation.  Two Hofner bass guitars autographed and donated by McCartney will be auctioned during the event to further benefit the charity, which promotes pediatric cardiac research.

The concert also will feature performances of some of McCartney's popular songs, such as "Maybe I'm Amazed," as well as a number of other classical pieces penned by the Beatles star, including "A Leaf," "Spiral" and "Tuesday."  Longtime Chicago member Bill Champlin and country duo Steel Magnolia are among several guest artists slated to perform with the Pittsburgh Symphony Orchestra during the show.

Tickets for Heart Strings go on sale this Monday.  Visit PittsburghSymphony.com for further details.

McCartney's original version of "Nova" first appeared on the 2000 tribute album A Garland for Linda, a multi-artist compilation that benefited the cancer-fighting charity the Garland Appeal.

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