For each ticket bought before 1 April for Concordia or The Wallfisch Band you can claim a voucher for a 1-hour preconcert guided walk of Westminster exploring its rich associations with the English Civil War.

On Saturday 17 May the walk starts and finishes at St. John’s, Smith Square and begins at 2.45pm.

On Sunday 18 May the walk starts and finishes at St. Margaret’s, Westminster Abbey and begins at 5.15pm.

Vouchers and details will be sent with your tickets.

Please indicate when booking if you would like to take up this offer.

Buy 2 or more top or second price tickets before 1 April for Ensemble Pierre Robert and claim a free copy of their enthralling CD of Grand motets pour la Chapelle de Louis XIV by Henry Du Mont.

Buy 2 or more top or second price tickets before 1 April for Concerto Soave and claim a free copy of their award-winning Lamentazioni per la Settimana Santa, a recent Editor’s Choice in Gramophone.

Please indicate when booking if you would like to take up any of the free CDs offers.