Barbra Streisand (search) and Neil Diamond (search), who crooned the 1978 hit "You Don't Bring Me Flowers," will sing for John Kerry (search) and the Democrats next month as a star-studded list of entertainers perform at two fund-raising concerts in New York and Los Angeles.

Streisand and Diamond will perform together for the first time in 24 years at the Los Angeles concert, the Democrats said. The concert also will feature country singer Willie Nelson and comedian Billy Crystal (search), a frequent host of the Academy Awards program.

New York's lineup includes comedians Robin Williams and Whoopi Goldberg, and singers Bette Midler, Jon Bon Jovi, James Taylor, John Mellencamp and Wyclef Jean.

More performers will be announced later, the Democrats said.

The concerts will be at the Walt Disney Concert Hall in Los Angeles on June 7 and at New York's Radio City Music Hall on June 10. Tickets for the New York concert went on sale through Ticketmaster Wednesday for $250, $500 and $1,000. The Los Angeles tickets were not yet available.