Sound effects artist Tom Keith, voice actors Tim Russell and Sue Scott, and Garrison Keillor perform during a live broadcast of A Prairie Home Companion from Lanesboro, Minnesota, in June 2007. Photograph by Wikimedia Commons user Jonathunder.

Longtime house pianist and music director Richard Dworsky plays during a live broadcast of A Prairie Home Companion at Macalester College in St. Paul, July 2015. Photograph by Wikimedia Commons user Jonathunder.

An advertisement for Powdermilk Biscuits (undated), one of A Prairie Home Companion’s many fictional sponsors.

Sound engineer and sound effects man Tom Keith and Lynne Cruise mix sound during a performance of A Prairie Home Companion at the Fitzgerald Theater, ca. 1985.

A poster advertising A Prairie Home Companion band members and several fictional sponsors, ca. 1970s.

Garrison Keillor reads a Prairie Home Companion script before a live show at Macalester College, 2015. Photograph by Wikimedia Commons user Jonathunder.

A Prairie Home Companion’s founder and longtime host, Garrison Keillor. Photograph by Prairie Home Productions, 2009.

A poster advertising A Prairie Home Companion as the “Last Live Radio Show” in 1979.

Garrison Keillor and the Guy’s All-Star Shoe Band on stage at the 2011 Minnesota State Fair before a live performance. Photograph by Wikimedia Commons user Jonathunder.

Clement Haupers and Muriel Oliver at Ah Gwah Ching nursing home, September 1982.