A new addition today to the PP Audio Archive in the shape of a fine performance by Donald MacPherson of the piobaireachd Lament for Donald Duaghal MacKay, writes the Editor. It is a masterful rendering recorded at a concert promoted by the BBC in Glasgow in 1987 and comes to us via his former pupil Donald McBride of Kansas and Donegal. Donald, part of the world-class teaching faculty at next…