 Sirius XM Radio maintains a full-time Radio Classics channel devoted to rebroadcasts of vintage radio shows.Starting in 1974, Garrison Keillor, through his syndicated two-hour-long program "A Prairie Home Companion", has provided a living museum of the production, tone and listener's experience of this era of radio for several generations after its demise.Produced live in theaters throughout the country, using the same sound effects and techniques of the era, it ran through 2016 with Keillor as host.