 The first of his large-scale works, "A Monkey's Paw" (premiered at Darmstadt in 1990; see Discography) displays this clearly.More recently an interest in extremely quiet sounds has characterised several works, including "Prison Song", "Faint Traces" and "Tentative Thoughts, Silenced Voices" (collectively forming his "Prison Trilogy" (1999–2003)).Though not a shakuhachi player himself, Denyer has collaborated with Yoshikazu Iwamoto to write pieces for the instrument, including