Joni Mitchell to receive Gershwin songwriting prize

WASHINGTON, D.C.: Joni Mitchell, the pioneering singer-songwriter behind poignant hits, including "Both Sides Now" and "A Case of You," was set to receive on Wednesday a national lifetime achievement award at a star-studded gala celebrating her vast contributions to popular music.

The Canadian-born artist joins an elite coterie of composers including Stevie Wonder, Paul McCartney, Tony Bennett and Carole King in receiving the US Library of Congress' Gershwin Prize, named for the brothers behind American standards such as "I Got Rhythm" and "Rhapsody In Blue."