The New Zealand composer burned pianos, sampled earthquakes and recorded Belfast’s peace walls. And at 86 is still invested in her life’s work: to appreciate the music in everyday sound The New Zealand composer burned pianos, sampled earthquakes and recorded Belfast’s peace walls. And at 86 is still invested in her life’s work: to appreciate the music in everyday sound A broken upright piano, tilted like the sinking Titanic, stands part-buried in a garden at Glasgow’s Counterflows festival .