Rush brought the Hemispheres Tour to Rochester on a Wednesday night, deep into a grueling run that stretched from October 1978 through June 1979 in support of their landmark album. The setlist was a prog-rock endurance test — the full “Cygnus X-1 / Hemispheres” suite, “Xanadu,” “La Villa Strangiato,” and “The Trees” — showcasing the trio at their most technically ambitious. An audience recording of the Rochester show survives, capturing Neil Peart, Geddy Lee, and Alex Lifeson in peak form.