Tom Spaulding has this tribute to Porter Wagoner on his site.

Bio from allmusic.com

From Youtube:

I'll Fly Away Porter with the Willis Brothers

Julie Porter from his show

And, from near the end, Albert Erving Porter with Marty Stuart and his band on the Letterman show

Oops, almost forgot, can't do without a Porter and Dolly
an extended clip that includes Dolly's first appearance on the Porter Wagoner Show

Farmer, you're the real Country Music expert, why not add a few words to this post.