The 2013 commission was Tristia II for flute, viola, cello, guitar, harpsichord by Hafliði Hallgrímsson premiered on 7 November 2013 and was conducted by William Sweeney, himself a recipient of the commission in 1981 and 1989. Members of the ensemble were Richard Craig (flute), Ian Anderson (viola), Duncan Strachan (cello), Ian Watt (guitar), and Kevin Bowyer (harpsichord). 

A full programme note and composer and performer biographies can be found in the McEwen concert programme 2013.

Tristia II - excerpt 1

Tristia II - excerpt 2

Tristia II - excerpt 3

William Sweeney, Hafliði Hallgrímsson and the Tristia II ensemble following the 2013 performance.

The Tristia II ensemble following the performance with composer Hafliði Hallgrímsson and conductor William Sweeney.