Sara Mohr-Pietsch on music from across the centuries inspired by the Dies Irae chant.
BBC Radio 3
A unique, first-hand portrait of Anton Chekhov. Read by Ben Whishaw.
A look at the organ as a musical instrument, with contributions from players and makers.
Petroc Trelawny visits St Paul's Girls School in West London, where Holst taught.
Behind the scenes at the New Year's Day Concert, presented from Vienna by Brian Kay.