The Lincoln Center Theater Platform Series Event is free to the public and will take place Sept. 21 from 6-6:45 PM in the Beaumont Theater Lobby.

LCT Associate Producer Ira Weitzman will moderate the discussion with the actresses, who play the mother and daughter in the award-winning show.

Limited seating is on a first-come, first-served basis starting at 5:30 PM.

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The Light in the Piazza, the Tony Award-winning musical about motherhood, young love, middle-aged regret, innocence and the lure of fable-filled Italy, recently extended again — now to March 2006.

Piazza earned six Tony Awards at this year's ceremony — the most of any show for the 2004-2005 Broadway season — including Best Score (Adam Guettel) and Best Actress in a Musical (Victoria Clark). The show opened on April 18 after a month of previews for a limited engagement at Lincoln Center Theater. It was first extended to Jan. 1, 2006, following its Tony wins.

Craig Lucas penned the libretto, based on a 1960 novella by Elizabeth Spencer, which follows the love story of a young American woman, Clara (Kelli O'Hara), who, while on holiday, falls for a young Italian man. When the young woman's mother (Victoria Clark) learns of the affair, she initially opposes it for unknown reasons. The musical is set in Florence and Rome in the summer of 1953.

Barlett Sher directed the Broadway run. The creative team includes Ted Sperling (musical direction) and the Tony Award-winning design team of Michael Yeargan (sets), Catherine Zuber (costumes) and Christopher Akerlind (lights). Ted Sperling, Guettel and Bruce Coughlin also shared the show's Tony for Best Orchestrations.