What makes a concert hall sound brilliant? Inside the science and acoustics of the Renewal upgrades planned for Sydney Opera House’s Concert Hall, featuring Sydney Symphony Orchestra and Australian Chamber Orchestra. Go Backstage to read about how we're testing the Concert Hall's acoustic reflectors: http://bit.ly/2nF7bBN | Sydney Opera House

Sign up for free to stream the best from our stages and beyond, whenever you want, all in one place. | Sydney Opera House

These groundbreaking live-streamed performances by the world's greatest singers make the perfect gift for any opera lover. | The Metropolitan Opera