September 18, 2020
[Updated to include new software on October 26, 2020]

A photo of a netorked concert, with musicians on a stage joined by others on screens.

Note: A shorter version of this article was also published as guest blog post for


In 1957, while prohibited from traveling outside the US because of his political activism, Paul Robeson performed on a choral festival in…

Michael Dessen

I’m a musician and a professor at the University of California, Irvine. For more, please visit

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