As a curtain-up to the BBC's Big Concert, Suzy Klein welcomes to the studio current Radio 3 New Generation Artists Daniela Lehner and Mahan Esfahani, and former NGA Paul Lewis, to launch a day of live music celebrating the BBC's performing groups. Joining today's party to celebrate the NGAs central role in Radio 3's music making, Suzy talks with them and enjoys their performances, and Mark Swartzentruber raids the archive; and we'd like you to take part too - please email us your questions for today's studio guests! [email protected] Presenter: Suzy Klein.