X is in part a celebration of the tenth anniversary of my piece Siri (1997), also for solo percussion. The work is in one movement divided into four sections. X was written for Adrian Spillett, a friend and excellent musician, with respect and affection, and first performed at the Wigmore Hall, 8 January 2008.
Siri in it's original form is a piece for solo percussion with electronics and was written in 1997 for Peadar Townsend. This expanded version, (in terms of length, material and instrumentation) siri2, for four percussionists was commissioned by Adrian Spillett on behalf of 4-MALITY.