Katelyn Emerson (l) and Ghislaine Reece-Trapp (r) are two of the organists taking part in the current John Hill Recital Series at St Lawrence Jewry, London In a welcome re-balancing of the customary recital series, the line-up for the John Hill Organ Series at St Lawrence Jewry, London, which has just begun, is composed solely of female organists.  It coincides with the launch earlier this year of the Society of Women Organists in the UK, an organisation dedicated to promoting women in the organ world, and recruiting girls and women to study the organ. Why is…