Heart Variations was commissioned by Egle Mei, with support from Arts Council England, Liverpool City Council, Dawsons, Oxford University Press and Brain Machine. The music takes as its point of inspiration a series of electrocardiograph readings, and a scenario of five life stages devised by Egle Mei. It was first performed by the Liverpool String Quartet at St George's Hall Concert Room, Liverpool, on 11 April 2014.
- ISMN: 9790570680252 (M570680252)