Bush House Inside Out
BBC World Service celebrates 80 years of international broadcasting with a special day of programmes live from the heart of Bush HouseFind out more about what's happening today
Madonna producer William Orbit on what's coming up in The Strand.
"It's super fun and technically challenging" he says.
"The World Service is the best representative of Britain that we have," says Roger Taylor, who was the drummer for rock group Queen.
He says he was persuaded to take part in the closing show by his friend William Orbit, who was guest editing the special editon of The Strand.
Musician William Orbit has produced several tracks on Madonna's new album and revealed that he would be working with her just a few hours after finishing his day guest editing at Bush House.
Madonna may be in New York but he revealed that they swap ideas over the internet and said that they share a real musical "telepathy".
Hamid Ismailov is the head of the Central Asian service.Read more on Hamid's blog
An Uzbek novelist and poet, his work is banned in Uzbekistan and when he was threatened with arrest, he moved to London where he joined the BBC World Service.
He is the World Service’s Writer in Residence.
Malian musical duo Amadou & Mariam perform a live rendition of Wily Kataso.
The pair met at Mali's Institute for the Young Blind.
A host of stars turned out for the finale of The Strand and the day's special programming.
Queen drummer Roger Taylor turned singer for this rendition of the Queen classic Radio Ga Ga, with guest editor William Orbit on electric guitar, Malian duo Amadou and Mariam on vocals, Anoushka Shankar on sitar, Pirashanna Thevarajah on percussion, Rosey Chan and Spike Edney on keyboards and Gus Isidore and Neil Fairclough on guitar and vocals.