Chet Atkins & Waylon Jennings @ RCA Studio B that's a fake smile on both...
... Waylon Jennings, for his entire career subsequent to that first big step he took with producing himself on this record, was anything but ordinary. Description from vivascene.com. I searched for this on bing.com/images
Waylon Jennings, performing in historic RCA Studio B, mid 1960's.