either/or is a flexibly-scored piece in which players’ actions are individually governed by assessing the activity of other players at specified time points: logic gates instruct them either to play a sound, or not.

either/or was written between December 2008 – January 2009. The first version of either/or was performed by either/or at the Ontological Theatre in New York on 11 December 2008. The full version of either/or was first performed by London Sinfonietta on 18 March 2009 at a BBC Invitation Concert at LSO St Luke’s, London. The composition of either/or was supported by the London Sinofonietta’s Blue Touchpaper project