Sarah Walker introduces a programme of music focusing on German and Austrian composers. The BBC Symphony Orchestra performs Mit den Riesenstiefeln by Kurt Schwertsik, and Detlev Glanert's Piano Concerto, with Jean-Louis Steuermann as soloist and Jurjen Hempel conducting. Plus On a Clear Day by Markus Trunk, conducted by Zsolt Nagy, and works from last year's Donaueschingen Festival, including a piece by Trunk's teacher Aivin Lucier, Ovals, and Clemens Gadenstatter's Polyskopie, played by the Hilversum Radio Chamber Orchestra under Peter Eotvos.