Composer Nicola Lefanu takes you through her new piece The Crimson Bird

Diana Burrell introduces her Concerto for Brass and Orchestra

Ryan Wigglesworth discusses his piece Etudes-Tableaux

Take a deep breath. It's time to be part of something magical.

Sam Brown from the BBC Symphony Chorus on Bliss' Morning Heroes

BBC SO performs Mahler Symphony No. 9

Sakari Oramo in conversation with Tom Service

BBC Symphony Orchestra 90th-birthday Montage

Brett Dean on Violas

Chief Conductor Sakari Oramo conducts Mahler Symphony No. 1

Michael Zev Gordon introduces his new Violin Concerto with Carolin Widmann