GREAVES FILM RETROSPECTIVE

``William Greaves: Chronicler of the African-American Experience,'' organized by Dara Meyers-Kingsley of the Brooklyn Museum, continues through May 26. Upcoming showings include: * April 27: Influential leaders speak in ``Black Power in America: Myth ... or Reality?'' Also ``The Deep North,'' on racial attitudes from the '60s through the '80s.

* April 28: ``New York City Transit Union,'' a ``Black Journal'' segment; and ``In the Company of Men,'' about managers and minority workers.

* May 4: ``Nationtime, Gary,'' with Sidney Poitier and Harry Belafonte narrating the account of a 1972 black political convention.

* May 5: Four ``Black Journal'' programs: ``Black Dance,'' ``Black Athletes,'' ``Malcolm X,'' and ``Focus: South Africa.''

* May 11: ``Ida B. Wells: A Passion for Justice,'' directed by Greaves in 1989.

* May 12: ``From These Roots,'' on the Harlem Renaissance, and Powell Lindsay's 1948 drama ``Souls of Sin,'' with Greaves as a young musician.