The best version of 'Ole Blue' I have ever heard was by Paul Ott on a late 1960's episode of The Wilburns Brothers Show.

This version is available from Paul on his website "Listen to the Eagle"

A song sample can be heard by:
Clicking on the link below, click on Paul Ott Music on the top of the page, then scroll down to the 'Ole Blue' sample.

http://www.listentotheeagle.com/

I plan on ordering the 13 track CD. ($15.00 plus $5.00 shipping) This song by Paul it not available on any other CD that I know of.

Cruiser