World Music Days / IGNM /Wien Modern 2013

Ensemble Platypus & Sirene Operntheater cooperation with progetto semiserio and PHACE 

Project Gates | new short operas by living composers 

Live Recording from Gustav Mahler Musikwochen Toblach 2014

by Alexander Kaiser. Ensemble Platypus: 
Violin: Marianna Oczkowska / Violoncello: Tomasz Skweres / Piano: Frederik Neyrinck