"; the dramatic cantata "Hear our Voice" (co-written with the British composer Jonathan Dove) was premiered in London, Nuremberg and Prague in 2006; the chamber opera "Das Babylon Experiment" (German libretto by Michael Kerstan) was produced in Nuremberg in 2008.King composed an experimental dramatic cantata "Schoenberg in Hollywood" (libretto by Alasdair Middleton), premiered in Guildhall School of Music and Drama's Milton Court concert hall in 2015; the comic faux-Baroque cantata "Il Pastorale, l'Urbano e il Suburbano" (libretto by Alasdair Middleton) was first performed at Snape Maltings, Aldeburgh in 2015 and the chamber opera "The Pied Piper" (libretto by Michael Irwin (author)) was first produced at Stour Music Festival, with the British countertenor Michael Chance in the title role, in 2015.