Peter is singing Paul's part, Paul is singing Mary's part, and Mary is singing Peter's part, or, is it Paul singing Peter's part and Mary singing Paul's part and Peter singing Mary's part, or is it, um, let me see....Paul is singing Mary's part, Art is singing Paul's part and Tom and Dick are joining together to sing Peter's part and Peter is......let's see, the one on the right is on the left and the one in the middle is on the right and the one on the left is in the middle and the guy in the rear...got drafted.

Got it?

Freightdawg