WORC, A web-based platform for telematic collaborative electronic music performance, uses open-source, state-of-the-art technologies to bring the audience and the musicians together in the browser. WORC (WebORChestra) is a full-fledged digital orchestra that runs in the browser which can be controlled remotely in real-time during a performance. The musicians can control the parameters in real-time. There is no software installation and configuration needed for the listeners. Audio is generated in the browser and there is no audio streaming between a source and a listener.