I am one of those people whose musical tastes are just stuck in the past. There is a lot of new music which I find ok, some very good, but I am stuck on 70's and 80's music. Not just the popular hits of the time, but the bands themselves.   So, I am going to see a band called "The Musical Box" at Shea's Peforming Arts Center, Friday at 8:00 pm. They do old Gabriel Genesis and tickets are $37.50. $37.50??? Well, screw it, I'm going with a buddy of mine who shares my musical taste. The oppo