I stumbled across this archive of WWII era news and radio files. The sound quality is probably similar to the way it sounded coming out of the speaker at the CP chow line. AFRS G.I. Jive : WA4CZD : Free Download, Borrow, and Streaming : Internet Archive
The trio I always see at the Mid-Atlantic Air Museum's World War II Weekend belong to America's Sweethearts. https://www.americas-sweethearts.com/ They put on a pretty good show...The music is good too.