'Just thought I would let you know that Seb Tucker gained his CRCO today!' wrote Rob Tucker, Head of Music at Royal Latin School, to Andrew Parmley at the RCO.  'And this largely as a result of being able to have lessons in school on the Viscount. Onwards and upwards!' The Viscount referred to is one of the many digital organs which have been placed in schools and other places of education through the RCO's Organs In Schools initiative.  And Seb's examination success is just one of the reports that have reached us about the excitement and opportunities that…