Thirty-four years ago today (March 2, 1987) was a great day for fans of strong female voices in country music. It was on that date that the Trio album, a collaboration between Dolly Parton, Linda Ronstadt and Emmylou Harris, was released, uniting three of the most angelic voices of all time on one 11-track record. The three longtime friends had tried on several other occasions over the years to record a project together but were logistically prohibited by their own recording contracts and busy schedules. Several of the songs from these earlier sessions made it onto other discs from the women, including "Mister Sandman" on Harris'