UNSW Galleries, corner of Oxford Street and Greens Road, Paddington. Opens today, 10am. Tues-Sat, 10am-5pm. Free entry. Inquiries: (02) 8936 0888 or online. Until February 23. Memories on Glass: The Macpherson family collection This exhibition of photographs from the late 19th and early 20th centuries, taken by the Macpherson family, depicts Sydney in transition. State Library of NSW, Exhibition Galleries, Macquarie Street, Sydney. Sat-Sun, 10am-5pm; Mon-Wed and Fri, 9am-5pm; Thurs, 9am-8pm. Free entry. Inquiries: (02) 9273 1414 or online. Until May 5. Masters of Modern Art from the Hermitage La Passion de Simone The Sydney Chamber Opera performs La Passion de Simone, composed by Kaija Saariaho, for the first time in Australia. The opera follows the story of political activist, mystic and philosopher Simone Weil. Imara Savage directs a cast including soprano Jane Sheldon (pictured below) as Weil. Carriageworks, 245 Wilson Street, Eveleigh. Wed-Fri, 8pm. Tickets: $46-$60. Inquiries: 1300 723 038 or online. Duration: 1hr 15min.