Lucky’s Speech was composed at the request of the violinist Darragh Morgan, for the launch of his recital CD Opera on the NMC label in June 2006. The title refers to a pivotal moment in Samuel Beckett’s play Waiting for Godot, when the hitherto silent character Lucky suddenly pours forth a torrential stream of gibberish.

This idea also suggested the cadenza of my Violin Concerto, composed in the same year, and it is reflected in both cases by an almost breathless musical activity punctuated b...