Seymour Centre, City Road and Cleveland Street, Sydney. Today, 2pm and 7.30pm. Tickets: $35$44. Bookings: (02) 9351 7940 or online. Until August 19. Duration: 1hr 50min, no interval. The Telescope The Telescope is an absurdist piece inspired by the forcible removal of thousands of residents in China’s Guizhou province to construct the world’s largest radio telescope. It is the last night before the construction of one such telescope deep within Sydney’s suburbia and the Lipman family’s home of 35 years faces demolition. Lenny assumes her parents will use the government’s compensation payment for purchasing a new house, but they have somewhat different ideas. Parsifal Renowned tenor Jonas Kaufmann returns to the Sydney Opera House to take on the challenging title role in this Opera Australia concert performance of Parsifal, also featuring the Opera Australia Orchestra under the baton of conductor Pinchas Steinberg. This transcendent musical journey is drawn from the Arthurian legends of holy relics, enchanted maidens and faithful knights. Sung in German with English surtitles. Sydney Opera House, Concert Hall, Bennelong Point. Tonight, 6pm. Tickets: $99$335. Bookings: (02) 9318 8200 or online. Until Monday. Flune (Shaun Parker, above with Lucia Mastrantone) and Rhonda Flune (Mastrantone) take the audience on a quest to find the perfect relationship in a production where TV soap opera meets art-house film. Canberra Theatre Centre, London Circuit. Wednesday and Thursday, 8pm. Tickets: $35-$55. Bookings: (02) 6275 2700 or online. Duration: 65min.