Eleven years is a long time when you're launching young talent on the world. Since 1999, BBC Radio 3's New Generation Artists have gone forth and multiplied. All the "graduates" have outstanding careers, and among them some of the names which will be most familiar with music lovers include trumpeter Alison Balsom, mezzo-soprano Alice Coote, Macedonian pianist Simon Trpčeski and three of the world's most successful string quartets (Belcea, Jerusalem and Pavel Haas).