I first found out about the idea of Live Coding, hacking running code live onstage to generate music and visuals, from an O’Reilley article mentioned on Slashdot.
Toplap are the Live Coding masters. They’ve featured at a number of shows.
Other groups are springing up, such as Openlab, who seem less hardcore about coding live?
Can you really code live? I don’t know. Can you really jam live?