Violist Timothy Ridout heads to Köln to perform Péter Eötvös’ Respond for viola and orchestra with WDR Sinfonieorchester Köln and Gergely Madaras in a hardy programme of contemporary treats featuring the works of Eötvös, Kurtág and Stockhausen. Audiences can catch the performance on 29 September at WDR Funkhaus or hear it live on WDR 3.