On 18 September at Musica Viva in Lisboa, Agostino Di Scipio's2 Pezzi Muti su Hans Richter (1998) will be performed at the Auditório do Centro de Apoio Social de Oeiras starting at 10:00 pm. And on 19 September, also at 10:00 pm, his 5 Interazioni Cicliche Alle Differenze Sensibili (1997-98) for string quartet and room-dependent signal processing will be performed by the Quartetto Bernini with Di Scipio controlling the live Kyma signal processing. Discussion(Eyewitness reports, descriptions, discussion):