Award-winning trumpeter Alison Balsom will be performing with the Docklands Sinfonia at a Gala Concert on May 16 (19.30) at Guildford Cathedral to support the Forces Children's Trust charity. Works by Coates, Meechan, Haydn and Holst are on the schedule.  Tickets are required, and are available from Guildford Tourist Information Centre, 155 High Street, Guildford, GU1 3AJ, phone 01483 444334, or check online at http://www.visitguildford.com. The performance will be held in Guildford Hall, Surrey, UK.