Critic's Notebook; Divas' Harlem Renaissance
Bruce Weber Critic's Notebook column on current Harlem theater productions celebrating black divas: Classical Theater of Harlem's production of August Wilson's play Ma Rainey's Black Bottom; Hadley Players' presentation of A Song for You: The Civil Rights Journey of a Negro Woman by Wendi Joy Franklin; and American Jazz Theater's production of Marian Anderson: The Lady From Philadelphia; photos (M)
