Osborne Brothers - Rocky Top 1967. GRANDPA JONES SING GOOD OLD MOUNTAIN DEW. Wabash Cannonball - Flatt & Scruggs. Johnny Cash's last public performance -- Understand Your Man (Hiltons, VA, 2003) Johnny Cash & Roy Clark - Orange Blossom Special. La Corda d'Oro Event - Under the Double Eagle (Trumpet) by Josef Franz Wagner. Roy Clark - Under the Double Eagle.