The New York Philharmonic has begun sharing some of its past performances on Facebook. Of particular interest is this rare presentation of Virgil Thomson’s 1947 opera, “The Mother of Us All.” Thomson composed his Susan B. Anthony opera to a libretto by Gertrude Stein.

The new, site-specific staging was a collaboration with The Metropolitan Museum of Art and the Juilliard School, and was performed in February.

The presentation is part of “Project 19,” a multi-season New York Philharmonic initiative that also encompasses commissions by 19 women composers, in honor of the centennial of the 19th Amendment. They claim this the largest women-only commissioning initiative in history.

Virgil Thomson’s “The Mother of Us All” will stream on the Metropolitan Museum Facebook page, tonight at 7 p.m.