Last week, while I was enjoying some time off, I decided to take a little sojourn to Pennsylvania. I gathered a few old theatre friends from my college days to accompany me, musical theatre folk who love to blast a showtune in the car and sing along. Knowing that they would expect me to be the DJ for this outing, I assembled a playlist full of the perfect songs for this kind of thing. I find the best songs for a road trip fall into one of three categories...