Swanwick, Michael. "In Concert"
Divergence: c 1917 CE
What if: Rock & roll started decades earlier, and had the power to shape history.
Summary: An American attends the final performance of Lenin, "The Boss", hearing such standards as "The Workers Control the Means of Production".
Published: In Isaac Asimov's Science Fiction Magazine, September 1992; and Tales of Old Earth, Frog 2000 (1583940162BUY).