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Sharleen Spiteri, lead singer of rock band Texas, drops in to chat and perform a world exclusive acoustic version of the band's new single "Start a Family".

Max Brooks' graphic novel "World War Z" was turned into a film starring Brad Pitt. He's back with a new novel, "The Harlem Hellfighters". It tells the story of the US Army's 39th Infantry Regiment, a unit of African Americans who served in Europe during the First World War.

Music Producer and performer Mark Ronson's higly anticipated album Uptown Special is due for release in coming weeks and the album's lead single Uptown Funk is currently at number one in the UK charts for the the third week in a row. Ronson talks to The Culture Studio's Nicola Meighan about making the album in collaboration with Bruno Mars, Stevie Wonder and Scotland's own Hudson Mohawke.

And what is the role of music producers - what do they bring to the creative process? Nicola Meighan, Gary Clark and Boo Hewerdine discuss what they bring to the making of a record or an album and how they shape an artist's sound.