 This Saturday night, 6 p.m., Rob Rush and I are going to play that entire album, Nirvana's MTV Unplugged. There's a big argument on whether or not the Alice in Chains or the Nirvana Unplugged is the better one, but the Nirvana Unplugged is 30 years old, and it's the 94.3 The Shark Albumversary series, thanks to the record stop at Patchogue. So that's the one we're playing on Saturday night. Not only are we playing the entire album, when you get two music geeks,