Wednesday - Sarah Walker

9am
A selection of music, including the Essential CD of the Week: Viva Verdi: Overtures and Preludes - Filarmonica della Scala/Riccardo Chailly, DECCA; and at 9.30 our brainteaser - Back to the Beginning.

10am
Artist of the Week: Andrew Davis

10.30am
Sarah's guest in World Space Week, is the astronomer Carolin Crawford. Carolin regularly delivers science outreach presentations to over 4,000 people annually and is a regular in broadcast media, with numerous appearances on programmes such as In Our Time and Home Planet on BBC Radio 4. She is a Fellow and Lecturer at Emmanuel College, Cambridge, as well as Professor of Astronomy at Gresham College, a position in which she delivers free public lectures within the City of London. In 2009 Carolin was recognized for her outstanding abilities by a Women of Outstanding Achievement Award by the UK Resource Centre for Women in Science, Engineering and Technology, presented for "communication of science with a contribution to society."

11am
Sarah's Essential Choice

Britten: Serenade
Peter Pears (tenor)
Barry Tuckwell (horn)
London Symphony Orchestra
Benjamin Britten (conductor)

Also in this hour, Lucky Dip: Sarah dips into her CD collection and shares a piece - it could be a recent discovery, an old favourite, or simply something that just has to be heard. Expect the unexpected!