Rachmaninov's 2nd Piano Concerto - famously featured in David Lean's film "Brief Encounter" - is one of the world's most popular pieces of classical music.
Some of its fans describe the way in which it has touched and shaped their lives.
Featuring a pianist from Taiwan whose memories of a repressive childhood were dispelled by the emotions contained within this music.
Plus a story from an acclaimed pianist from Argentina who was told she would never play the piano again after a serious car accident, but who has recently performed this piece in New York.
And finally an account of the place that this piece of passionate and heartfelt music played in the life of John Peel and his family, told by his wife Sheila Ravenscroft.
The concerto is also given historical and musical context by pianists Peter Donohoe and Howard Shelley.
Series exploring famous pieces of music and their emotional appeal.
Producer: Rosie Boulton.
First broadcast on BBC Radio 4 in February 2012.