The Melbourne Symphony Orchestra (MSO) is Australia's oldest professional orchestra, established in 1906 by conductor Alberto Zelman. Based in Melbourne, Victoria, it has a rich history and is recognized for its artistic excellence. The MSO performs over 150 concerts each year, reaching more than 200,000 people in Melbourne and regional Victoria, primarily at Hamer Hall.

The orchestra features around 104 full-time musicians and offers live symphonic concerts, educational programs, and international tours. It produces recordings under its own label and broadcasts performances to an audience of approximately five million annually. The MSO is dedicated to creating meaningful musical experiences that connect communities and promote cultural engagement. It collaborates with distinguished conductors and artists, enhancing its diverse repertoire that includes classical and contemporary works. The MSO also supports young musicians and composers through various initiatives, fostering the next generation of talent in classical music.