Sara Mohr-Pietsch presents Radio 3's classical breakfast show.

With Sarah Walker. In the week marking the centenary of the birth of Alan Turing her guest is Dame Wendy Hall, a leading expert in computer science. Show more

Donald Macleod discusses Monteverdi's work towards a revolutionary new form called opera, which would set the template for the next 400 years. Show more

This week's Lunchtime Concerts feature some of Radio 3's New Generation Artists at The Sage Gateshead. Today, pianist Benjamin Grosvenor plays Bach, Chopin and Rachmaninov. Show more

Live from BBC Hoddinott Hall in Cardiff, the BBC National Orchestra of Wales and principal conductor Thierry Fischer play Honegger and Stravinsky, presented by Elin Manahan Thomas. Show more

From the Chapel of Magdalen College, Oxford. Show more

Adam Tomlinson presents Opera North's production of Wagner's "Die Walküre" from Leeds Town Hall, starring Katarina Karneus, Erik Nelson Werner, Béla Perencz and Kelly Cae Hogan. Show more

Despite his huge line-up of instruments Wagner uses his orchestra to create some of music's most transfixing sounds. Stephen Johnson descends to the orchestra pit to explore how. Show more

Adam Tomlinson presents Opera North's production of Wagner's "Die Walkure" from Leeds Town Hall, starring Katarina Karneus, Erik Nelson Werner, Béla Perencz and Annalena Persson. Show more

Samira Ahmed sees Veep, a new television comedy created by Armando Iannucci, set in a fictional US vice president's office. Plus New Generation Thinker Charlotte Blease. Show more

Adam Tomlinson presents Opera North's production of Wagner's "Die Walkure" from Leeds Town Hall, starring Katarina Karneus, Erik Nelson Werner, Béla Perencz and Annalena Persson. Show more

South African lawyer Albie Sachs, a former justice of the Constitutional Court, considers the issue of equality in the new South Africa. Show more

Fiona Talkington presents a varied selection of music.