Cylinder recordings of music and spoken word from late 1890's to 1929; historic recordings of music and speech.An online collection of early educational public radio content from the National Association of Educational Broadcasters (NAEB).
https://www.unlockingtheairwaves.org/programs/the-old-record-box/
A few favorites
This program features songs like "Red Wing;" "Meet Me Tonight in Dreamland;" "I'm Afraid to Come Home in the Dark;" "Moonlight Bay;" and "Whispering Hope."