Augustus Prew was the only son of Wendy Dagworthy and Jonathan Prew.
The Bulgarian National Radio Symphony Orchestra is a Bulgarian orchestra based in Sofia , Bulgaria , affiliated with Bulgarian National Radio .. Bulgarian National Radio. Bulgarian National Radio. It gives concerts in the Bulgaria Concert Hall .. Founded in 1948 , the orchestra 's first chief conductor was Vassil Stefanov , who remained affiliated with the orchestra from 1948 to 1988 .. Other conductors affiliated with the orchestra have included Vladimir Simeonov , Alexander Vladigerov , Vassil Kazandjiev , and Milen Nachev .. The orchestra 's current chief conductor is Emil Tabakov , since 2008 .. He is scheduled to conclude his chief conductorship of the orchestra in December 2015 .. In December 2015 , the orchestra announced the appointment of Rossen Gergov as its next chief conductor , effective in January 2016 .. The orchestra offers a full annual schedule of events , tours internationally and maintains a large discography of recordings .. Notable people in building the orchestra over the years include Vassil Stefanov , Vladimir Simeonov , Michail Angelov , Vassil Kazandjiev , Alexander Vladigerov , Milen Nachev and Rossen Milanov .