Overview: ""MTV Unplugged"" devotes an episode to the work of two guitar virtuosos: Stevie Ray Vaughan and Joe Satriani. Satriani showcases his expressive guitar work with renditions of ""The Feeling"" and ""I Believe."" Vaughan performs memorable versions of ""Rude Mood"" and ""Pride And Joy."" An excerpt from the MTV Unplugged book...""During 'Pride and Joy' Stevie Ray Vaughan provided two classic still lifes that deserve to be displayed in the Unplugged gallery. In the first - after he sang the line 'You mess with her you see a man get mean' - he made a fist to display an enormous ring on his finger. The audience exploded. The second was at the song's end. After he sang the last line he smiled the kind of smile that only someone who has just experienced perfection can project. Plans to end the show with Joe and Stevie playing together were scrapped because Stevie had to leave early. The chilling aspect of this was that Jules excused his absence by saying, 'Stevie's gotta go catch an airplane; he's outta