Old Time vs Bluegrass vs Western Swing

Speaking of genres I've never been clear on, here are a couple of videos on the history of these three styles. I did not realize how new bluegrass and Western swing are.

I like them all.

Music below the fold.

Some old-time music, now that I know what that is. You can tell it's dance music rather than sit-in-the-audience music.

Bluegrass

Western swing

Here's some fun people had with these styles:

Douglas, Barenberg, & Meyer

The Goat Rodeo Sessions with Yo Yo Ma, Duncan, Meyer, and Thile

Asleep at the Wheel