Here’s a link to George Gershwin’s 1924 recording of Rhapsody in Blue, along with 10,000 other historical recordings:
The Library of Congress presents the National Jukebox, which makes historical sound recordings available to the public free of charge. The Jukebox includes recordings from the extraordinary collections of the Library of Congress Packard Campus for Audio Visual Conservation and other contributing libraries and archives.
I’ve been listening to these all afternoon. Great stuff…and a limitless resource for teaching and learning.