On 30 September, the DoelenEnsemble performs Henze's Requiem together with the notabu.ensemble neue musik at the Tonhalle in Düsseldorf. The soloists are Bassam Mussad (trumpet) and Maaren van Veen (piano), with Mark-Andreas Schlingensiepen conducting. As an introduction, there will be a conversation between the dramaturge of the Tonhalle, Uwe Sommer, and the managing director of the Hans Werner Henze Foundation, Michael Kerstan.