2/5 Robert Worby and Sara Mohr-Pietsch with music from Splitter Orchester and Apartment House.
BBC Radio 3
1/5 With music by Derek Bailey, Tomasz Sikorski, Jurg Frey, Lol Coxhill and Paul Rutherford.
The London Sinfonietta performs new music by Laurence Crane and Marisol Jimenez.
Tom Service talks to Helmut Lachenmann who turns 80. Plus Peter Evans at Baltic 39.