NEW YORK - Longtime musicians and activists David Crosby and Graham Nash are scheduled to perform a concert at the Occupy Wall Street protest site in Manhattan's Zuccotti Park.
The Occupy Wall Street website says the Tuesday afternoon concert will be an acoustic set of protest songs.
Crosby, a Rock and Roll Hall of Famer of Crosby Stills and Nash fame, visited the park last week.
The Occupy movement has become afor liberal-leaning celebrities.
In Oakland, MC Hammer, Raymond "Boots" Riley of hip hop group The Coup, and local rapper Mistah FAB have become a regular presence at the encampments, taking up bullhorns and staying until dawn even amid clashes with police.
Rappers Talib Kweli and Kanye West, as well as rap impresario Russell Simmons have visited protesters in New York City's Zuccotti Park, and other major cities.
Mark Ruffalo, Tim Robbins, Susan Sarandon and Penn Badgley are only some of the other stars lending their celebrity to the Occupy Wall Street cause.
Yoko Ono professed her love for the movement on her Twitter account. And Alec Bladwin responded to a tweet asking him what he would do about Occupy Wall Street if he was mayor of NYC by writing "Stiffer penalties for white collar crime!!"
Rapper Lupe Fiaso donated tents and supplies in mid-September.
Rosanne Barr and Michael Moore both made speeches at Occupy Wall Street protest sites.