American anthems: At parties, rallies and riots, 'Dancing in the Street' gets the people going

From left: Betty Kelly, Rosalind Ashford and Martha Reeves of Martha and the Vandellas perform circa mid-1964 at the Apollo Theater in Harlem, New York.
From left: Betty Kelly, Rosalind Ashford and Martha Reeves of Martha and the Vandellas perform circa mid-1964 at the Apollo Theater in Harlem, New York.