Wow! I think my heart is still pumping hard! Seeger and Guthrie when they were just young pups; Texas Gladden, Margo Mayo's square dance group (with Manny Weiner calling - thanks to the TradDanceCallers list for the id & the original link), and more...
To see it yourself (a 16-minute b/w film) click this: To Hear Your Banjo Play -- available streaming or to download, thanks to The AV Geeks Film Archive, "an ephemeral film collection curated by Skip Elsheimer," and The Internet Archive, "a 501(c)(3) non-profit that was founded to build an 'Internet library,' with the purpose of offering permanent access for researchers, historians, and scholars to historical collections that exist in digital format."
Yeah, it's a little staged, a period piece, but oh to see Pete grin from pure joy of playing for those dancers... it makes me a little teary-eyed. But then, I'm a little easy when it comes to that. :-)
~ Becky, in San Diego at Amos's, thanks to the wonder of the 'Cat