Presented by Petroc Trelawny. Petroc is joined by the exciting young Czech string quartet, the Pavel Haas quartet, who play Britten, Shostakovich and Dvorak in the studio ahead of their recital at London's Wigmore Hall this week. Also in the studio, Mexican guitarist Morgan Szymanski and his group Machaca, which consist of some of the UK's finest young classical musicians, play music from their new album, 'Los Ambulantes', which they are launching at London's Southbank Centre this week. Main news headlines are at 5.00 and 6.00 E-mail: [email protected].