Famous for his cello and violin concertos, it's not widely known that Edward Elgar also wrote sketches for a piano concerto. This often hilarious film shows how the embryonic piece - a performance of which follows - came to life.

As a child, portrait painter Chuck Close was written off as a failure because his dyslexia remained undiagnosed. Then, in 1988, he was partially paralysed by a stroke. Undaunted by these hardships, he continued to paint and his latest work is on display at London's National Portrait Gallery.

Alan Yentob meets the American artist in New York.

Can art change lives? Sir Simon Rattle and the Berlin Philharmonic Orchestra believe so - but can they convince 250 underprivileged teenagers from suburban Berlin? The aim is to stage Stravinsky's Le Sacre du Printemps, and Royston Maldoom is the British choreographer who must persuade the reluctant youngsters to get their steps up to performance standard.

Could New Orleans's days as a great musical powerhouse be coming to an end? As Alan Yentob traces the city's vast musical heritage, he meets musicians who have lived and worked there all their lives and are determined to return despite the devastation caused by Hurricane Katrina. With contributions from Paul McCartney, Dr John, Jools Holland and Elvis Costello.

The joy of some collectors at owning what they believed to be genuine Andy Warhol works has been ruined by the artist's authentication board's declaring them fake. They speak of their disillusionment here as Alan Yentob visits New York to investigate acquiring art by the “Pope of Pop”, while Warhol collaborators reveal his unusual working methods.

Critics say the British sitcom is dead by virtue of its middle-aged, middle-class “appeal”. Why then are our finest comic writers and performers making prize-winning shows?

As he talks to Ricky Gervais, Stephen Merchant, Armando Iannucci, Graham Linehan and Chris Langham - and makes a surprise entrance on My Family - Alan Yentob finds the genre in rude health.

Self-confessed chair addict Alan Yentob encounters a vast range of his objects of desire in this whimsical journey through the changing styles of the modern chair - a furniture item intimately and inextricably intertwined with the physicality of our everyday lives, whose look has been transformed over the centuries by designers such as Le Corbusier and Terence Conran , from hand-crafted descendants of royal thrones to wipe-clean plastic garden chairs.