Tom Service introduces two orchestral works by German composer Helmut Lachenmann.
BBC Radio 3
4/5 Sara Mohr-Pietsch presents a portrait of Swiss composer Michael Jarrell.
3/5 Ivan Hewett and James Clarke discuss new music in Germany.
2/5 Sara Mohr-Pietsch with a portrait of Norwegian composer Arne Nordheim.
1/5 Choral and orchestral music by Arvo Pärt recorded at the Vale of Glamorgan Festival.