On March 8, 1944, the Columbia Pacific Network presented Orson Welles
Radio Almanac Variety Show with Lucille Ball, sponsored by Mobilgas
and Mobiloil. 

Lucille Ball and Orson do a parody of The Thin Man, "The Case of the
Blue Bloodstain". Lud Gluskin and His Orchestra play "Bésame Mucho".
Ella Mae Morse sings "Shoo Shoo Baby". Welles reads "No Man Is an Island"
by John Donne. Cast: Orson Welles, Agnes Moorehead, Jack Mather, Hans
Conried, Lud Gluskin and His Orchestra.

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"The idea of doing such a variety show occurred to Welles after his
success as substitute host of The Jack Benny Program, radio's most popular
show... Many of the Orson Welles Radio Almanac Variety Shows originated
from U.S. military camps where Welles and his repertory company and guests
entertained the troops with a reduced version of The Mercury Wonder Show.
The program aired on the Columbia Pacific Network, heard in California and
neighboring states, but no further east than Denver..." -wiki

"Nesuhi Ertegun founded his first record label, Crescent Records, with the
express purpose of recording the All Star Jazz Group featured on The Orson
Welles Almanac. Only eight discs were released on the Crescent label, all
of them recorded August–November 1944 by the group Ertegun renamed
Kid Ory's Creole Jazz Band." - wiki

More: https://en.wikipedia.org/wiki/The_Orson_Welles_Almanac